Inline Heaters | McMaster-Carr

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132 Products

Flow-Through Heating Elements for Air

Tackle high-temperature drying, shrink-wrapping, and plastic welding jobs with your everyday compressed air supply. These heating elements connect to your air source on one end and to your process on the other. Control the output temperature by adjusting the incoming airflow or power sent to the heating element. The outlet can point upwards, straight, or as much as 10° downwards. Be cautious when positioning it—pointing it further downwards may damage the heating element.

To calculate the wattage needed for your application, multiply your incoming airflow in CFM by the number of degrees you need to increase air temperature, then divide by three.

			Heating Element												Without Temperature Control
	Wattage, W	Watt Density, W/in	Lg.	Wd.	No. of	Max. Air Input Temp., ° F	Max. Air Output Temperature, ° F	Max. Input Airflow, ft³/min	Pipe Size	Thread Type	Gender	Electrical Connection Type	Wire Connection	For Use With	Current, amp		Each
Ceramic Heating Element with Copper Body







				120V AC, Single Phase

				400	89	5"	1/2"	1	250	1,000	10	1/8	NPT	Female	Hardwire	Wire Leads	Air	3.3	6586N11	0000000


				650	87	8"	1/2"	1	250	1,000	10	1/8	NPT	Female	Hardwire	Wire Leads	Air	5.4	6586N12	000000
				750	136	6"	3/4"	1	250	1,000	20	1/4	NPT	Female	Hardwire	Wire Leads	Air	6.2	6586N13	000000
				1,250	132	10"	3/4"	1	250	1,000	20	1/4	NPT	Female	Hardwire	Wire Leads	Air	10.4	6586N14	000000




						240V AC, Single Phase

						1,000	182	6"	1 1/4"	1	250	1,000	50	1/2	NPT	Female	Hardwire	Wire Leads	Air	4.1	6586N15	000000


						2,500	333	8"	1 1/4"	1	250	1,000	50	1/2	NPT	Female	Hardwire	Wire Leads	Air	10.4	6586N16	000000
						4,000	348	12"	1 1/4"	1	250	1,000	50	1/2	NPT	Female	Hardwire	Wire Leads	Air	16.6	6586N17	000000

Accessories for Heating Elements

Thermocouple Probes for 240V AC Heating Elements

Image of Product. Front orientation. Thermocouples. Flow-Through Heating Elements for Air.

Thermocouple probes and thermocouple fittings allow you to use a temperature controller to operate 240V AC heating elements. The probe threads into the fitting to measure your air outlet temperature.

	Probe		Probe Connection			Cable
	Lg.	Dia.	Pipe Size	Thread Type	Gender	Lg., ft.	Material		Each
Type J Thermocouple



		1"	3/16"	1/4	NPT	Male	6	Fiberglass	6586N19	0000000

Thermocouple Fittings for 240V AC Heating Elements

Image of Product. Front orientation. Thermocouple and RTD Fittings. Flow-Through Heating Elements for Air.

Thermocouple probes and thermocouple fittings allow you to use a temperature controller to operate 240V AC heating elements. The probe threads into the fitting to measure your air outlet temperature.

Air Inlet		Air Outlet			Thermocouple Probe Connection
Pipe Size	Gender	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
1/2	Male	1/2	NPT	Female	1/4	NPT	Female	6586N18	0000000

Flow-Through Heating Elements for Water


With Temperature-Control Screw	With Temperature-Control Dial

Also known as circulation heating elements, these install directly into pipelines to quickly and efficiently heat liquid through direct contact. An adjustable thermostat automatically turns the heating element on when the temperature drops below the set temperature and off when it rises above the set temperature. Adjust the set temperature with the screw or dial.

Incoloy Nickel Heating Element—Incoloy Nickel heating elements are more corrosion resistant than copper heating elements.

				Heating Element			Temp. Control
	Wattage, W	Watt Density, W/in²	Current, amp	Lg.	Wd.	No. of	Method	Range, ° F	Pipe Size	Thread Type	Gender	Wire Connection		Each
Copper Heating Element with Bronze Body







				120V AC, Single Phase

				1,500	34	12.5	11 1/4"	4"	1	Screw	60 to 180	1	NPT	Female	Screw Terminal	3595K31	000000000


				2,000	47	16.7	11 3/4"	4"	1	Screw	60 to 180	1	NPT	Female	Screw Terminal	3595K32	00000000




						240V AC, Single Phase

						3,000	51	12.5	16"	4"	1	Screw	60 to 180	1	NPT	Female	Screw Terminal	3595K33	00000000


						Incoloy Nickel Heating Element with Aluminum Body







										480V AC, Three Phase

										6,000	50	7.3	28 13/16"	5 5/8"	3	Dial	60 to 250	1	NPT	Male	Wire Leads	35705K112	00000000


										12,000	50	14.5	39 9/16"	5 5/8"	3	Dial	60 to 250	1	NPT	Male	Wire Leads	35705K122	00000000
										18,000	50	21.7	51 5/16"	5 5/8"	3	Dial	60 to 250	1	NPT	Male	Wire Leads	35705K132	00000000
										24,000	50	29	37 5/16"	8"	6	Dial	60 to 250	2	NPT	Male	Wire Leads	35705K152	00000000
										40,000	50	48	55 3/4"	8"	6	Dial	60 to 250	2	NPT	Male	Wire Leads	35705K162	00000000

Flow-Through Heating Elements for Chemical Solutions


	5-15

Also known as circulation heating elements, these install directly into pipelines to quickly and efficiently heat liquid through direct contact. All are designed to heat chemical solutions at much higher watt densities than other immersion heating elements without damaging the heating element. An adjustable thermostat automatically turns the heating element on when the temperature drops below the set temperature and off when it rises above the set temperature. Adjust the set temperature with the dial. Heating elements automatically shut off at 202° F to prevent fire and heating element burnout. The heating element is titanium for excellent resistance to harsh chemicals.

			Heating Element												Adjustable Thermostat (90° F to 190° F)
	Wattage, W	Watt Density, W/in²	Lg.	Wd.	No. of	Pipe Size	Thread Type	Gender	Electrical Connection Type	Wire Connection	NEMA Type	Cord Lg., ft.	Enclosure Rating	For Use With	Current, amp	Temp. Control Method		Each
Titanium Heating Element with 304 Stainless Steel Body







				120V AC, Single Phase

				1,500	42	15"	5.7"	1	1 1/2	NPT	Female	Plug In	—	5-15	6	NEMA 1	Ammonium Hydroxide (0-3% Concentration) Ammonium Hydroxide (3-6% Concentration) Deionized Water Salt Water Water	12.5	Dial	4745T41	0000000




						240V AC, Single Phase

						3,000	84	15"	5.7"	1	1 1/2	NPT	Female	Hardwire	Wire Leads	—	—	NEMA 1	Ammonium Hydroxide (0-3% Concentration) Ammonium Hydroxide (3-6% Concentration) Deionized Water Salt Water Water	12.5	Dial	4745T43	000000


						4,000	112	15"	5.7"	1	1 1/2	NPT	Female	Hardwire	Wire Leads	—	—	NEMA 1	Ammonium Hydroxide (0-3% Concentration) Ammonium Hydroxide (3-6% Concentration) Deionized Water Salt Water Water	16.7	Dial	4745T44	000000
						6,000	167	15"	5.7"	1	1 1/2	NPT	Female	Hardwire	Wire Leads	—	—	NEMA 1	Ammonium Hydroxide (0-3% Concentration) Ammonium Hydroxide (3-6% Concentration) Deionized Water Salt Water Water	25	Dial	4745T46	000000

Flow-Through Heating Elements for Coolant

Also known as circulation heating elements, these install directly into pipelines to quickly and efficiently heat liquid through direct contact. To heat coolant without creating hot spots and damaging the heating element, they have a lower watt density than heating elements for water or chemicals. An adjustable thermostat automatically turns the heating element on when the temperature drops below the set temperature and off when it rises above the set temperature. Adjust the set temperature with the dial.

			Heating Element									Adjustable Thermostat (150° F to 560° F)
	Wattage, W	Watt Density, W/in²	Lg.	Wd.	No. of	Pipe Size	Thread Type	Gender	Electrical Connection Type	Wire Connection	For Use With	Current, amp	Temp. Control Method		Each
Steel Heating Element with Steel Body







				120V AC, Single Phase

				500	17	8 3/8"	4"	1	1	NPT	Female	Hardwire	Screw Terminal	Ethylene Glycol Water	4.2	Dial	3595K61	000000000


				750	17	13"	4"	1	1	NPT	Female	Hardwire	Screw Terminal	Ethylene Glycol Water	6.3	Dial	3595K62	00000000




						240V AC, Single Phase

						1,000	18	15 1/4"	4"	1	1	NPT	Female	Hardwire	Screw Terminal	Ethylene Glycol Water	4.2	Dial	3595K63	00000000

Finned Tubular Heating Elements for Duct, Ovens, and Dryers


M-Shape	Straight	U-Shape

These tubular heating elements minimize the risk of sparks and fire from combustible particles in the flow stream, making them a safer choice than open coil heating elements. Finned for increased surface area, they quickly dissipate heat in air and inert gas heating systems such as duct heating elements and convection ovens. Their sheath, fins, and fittings are made of stainless steel, which resists heat and corrosion better than steel. These heating elements require a temperature switch or control (sold separately) to regulate output.

Welded on One End—Heating elements with end fittings welded on one end have one fitting permanently welded for a secure connection, while the other fitting is loose to create room for tube expansion during heating. The extra space helps prevent damage.

						Fin			Heating Element		Screw Terminal
	Wattage, W	Watt Density, W/in²	Current, amp	Overall Lg.	Max. Heat Output, ° F	Lg.	Dia.	Material	Lg.	Material	Thread Size	Lg.		Each
120V AC, Single Phase







				Straight—Welded on One End

				1,000	60	8.33	23 1/2"	1,200	16 1/2"	15/16"	Stainless Steel	20"	304 Stainless Steel	8-32	1.125"	7085N13	0000000




						U-Shape—Welded on Both Ends

						1,000	60	8.33	12"	1,200	8 3/4"	15/16"	Stainless Steel	10 1/4"	304 Stainless Steel	8-32	1.125"	7085N42	000000




								M-Shape—Welded on Both Ends

								1,500	60	12.5	9 1/2"	1,200	6 1/4"	15/16"	Stainless Steel	7 3/4"	304 Stainless Steel	8-32	1.125"	7085N72	000000


								240V AC, Single Phase







												Straight—Welded on One End

												2,000	80	8.33	32 1/4"	1,200	25"	1 3/16"	Stainless Steel	28 1/4"	304 Stainless Steel	10-32	1.125"	7085N18	000000




														M-Shape—Welded on Both Ends

														3,000	80	12.5	12 1/4"	1,200	9"	1 3/16"	Stainless Steel	10 1/4"	304 Stainless Steel	10-32	1.125"	7085N77	000000


														4,000	80	16.67	15 1/4"	1,200	12"	1 3/16"	Stainless Steel	13 1/4"	304 Stainless Steel	10-32	1.125"	7085N78	000000


														480V AC, Single Phase







																		U-Shape—Welded on Both Ends

																		1,000	80	2.08	9 3/4"	1,200	6 1/2"	1 3/16"	Stainless Steel	7 3/4"	304 Stainless Steel	10-32	1.125"	7085N54	000000


																		2,000	80	4.17	15 3/4"	1,200	12 1/2"	1 3/16"	Stainless Steel	13 3/4"	304 Stainless Steel	10-32	1.125"	7085N56	000000
																		3,000	80	6.25	22 1/4"	1,200	19"	1 3/16"	Stainless Steel	20 1/4"	304 Stainless Steel	10-32	1.125"	7085N57	000000
4,000																		80	8.33	28 1/4"	1,200	25"	1 3/16"	Stainless Steel	26 1/4"	304 Stainless Steel	10-32	1.125"	7085N58	000000




		M-Shape—Welded on Both Ends

		3,000	80															6.25	12 1/4"	1,200	9"	1 3/16"	Stainless Steel	10 1/4"	304 Stainless Steel	10-32	1.125"	7085N85	000000


		4,000	80															8.33	15 1/4"	1,200	12"	1 3/16"	Stainless Steel	13 1/4"	304 Stainless Steel	10-32	1.125"	7085N86	000000
		6,000	80															12.5	21 1/4"	1,200	18"	1 3/16"	Stainless Steel	19 1/4"	304 Stainless Steel	10-32	1.125"	7085N88	000000
		7,000	80															14.58	24 1/4"	1,200	21"	1 3/16"	Stainless Steel	22 1/4"	304 Stainless Steel	10-32	1.125"	7085N89	000000

Finned Strip Heating Elements for Duct, Ovens, and Dryers

These heating elements have a large surface area to quickly dissipate heat in air and inert gas heating systems used in ducts, ovens, and dryers. They have a 304 stainless steel heating element that resists corrosion and moisture. All heating elements require a temperature switch or controller (sold separately) to regulate heat output.

						Fin				Heating Element		Screw Terminal		Mounting
	Wattage, W	Watt Density, W/in²	Current, amp	Overall Lg.	Max. Heat Output, ° F	Lg.	Wd.	Ht.	Material	Lg.	Material	Thread Size	Ht.	Fasteners Included	Hole Ctr.-to-Ctr.		Each
120V AC, Single Phase







				Split Screw Terminal

				350	18	2.9	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K591	000000


				500	34	4.2	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K411	00000
				725	45	6	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K421	00000
				750	28	6.3	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K361	00000
				900	40	7.5	12"	1,200	7 1/4"	2"	1 3/8"	Nickel-Plated Steel	7 1/4"	304 Stainless Steel	10-32	5/8"	No	11"	3575K431	00000
				1,100	37	9.2	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K441	00000
				1,250	37	10.4	15 1/4"	1,200	10 1/2"	2"	1 3/8"	Nickel-Plated Steel	10 1/2"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K451	00000
				1,550	38	12.9	17 7/8"	1,200	13 1/8"	2"	1 3/8"	Nickel-Plated Steel	13 1/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K461	000000
				1,700	34	14.2	19 1/2"	1,200	14 3/4"	2"	1 3/8"	Nickel-Plated Steel	22"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K471	000000
				1,900	36	15.8	21"	1,200	16 1/4"	2"	1 3/8"	Nickel-Plated Steel	16 1/4"	304 Stainless Steel	10-32	5/8"	No	20"	3575K481	000000




						Inline Screw Terminal

						350	18	2.9	10 1/2"	1,200	6 1/2"	2"	1 3/8"	Nickel-Plated Steel	6 1/2"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K592	00000


						500	21	4.2	10 1/2"	1,200	6 1/2"	2"	1 3/8"	Nickel-Plated Steel	6 1/2"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K11	00000
						725	31	6	10 1/2"	1,200	6 1/2"	2"	1 3/8"	Nickel-Plated Steel	6 1/2"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K424	00000
						750	21	6.3	14"	1,200	10"	2"	1 3/8"	Nickel-Plated Steel	10"	304 Stainless Steel	10-32	5/8"	No	13"	3575K364	00000
						900	31	7.5	12"	1,200	8"	2"	1 3/8"	Nickel-Plated Steel	8"	304 Stainless Steel	10-32	5/8"	No	11"	3575K12	00000
						1,100	31	9.2	14"	1,200	10"	2"	1 3/8"	Nickel-Plated Steel	10"	304 Stainless Steel	10-32	5/8"	No	13"	3575K13	00000
						1,250	31	10.4	15 1/4"	1,200	11 1/4"	2"	1 3/8"	Nickel-Plated Steel	11 1/4"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K14	00000
						1,550	31	12.9	17 7/8"	1,200	13 7/8"	2"	1 3/8"	Nickel-Plated Steel	13 7/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K15	000000
						1,700	31	14.2	19 1/2"	1,200	15 1/2"	2"	1 3/8"	Nickel-Plated Steel	15 1/2"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K16	000000
						1,900	31	15.8	21"	1,200	17"	2"	1 3/8"	Nickel-Plated Steel	17"	304 Stainless Steel	10-32	5/8"	No	20"	3575K17	000000




								Offset Screw Terminal

								350	18	2.9	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K593	00000


								500	24	4.2	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K413	00000
								725	35	6	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K423	00000
								750	23	6.3	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K363	00000
								900	34	7.5	12"	1,200	7 1/4"	2"	1 3/8"	Nickel-Plated Steel	7 1/4"	304 Stainless Steel	10-32	5/8"	No	11"	3575K433	00000
								1,100	33	9.2	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K443	00000
								1,250	33	10.4	15 1/4"	1,200	10 1/2"	2"	1 3/8"	Nickel-Plated Steel	10 1/2"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K453	00000
								1,550	33	12.9	17 7/8"	1,200	13 1/8"	2"	1 3/8"	Nickel-Plated Steel	13 1/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K463	000000
								1,700	31	14.2	19 1/2"	1,200	14 3/4"	2"	1 3/8"	Nickel-Plated Steel	14 3/4"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K473	000000
								1,900	33	15.8	21"	1,200	16 1/4"	2"	1 3/8"	Nickel-Plated Steel	16 1/4"	304 Stainless Steel	10-32	5/8"	No	20"	3575K483	000000


								240V AC, Single Phase







										Split Screw Terminal

		500								25	2.1	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K511	00000


		725	45							3	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K521	00000
		750	28							3.1	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K851	00000
		900	40							3.8	12"	1,200	7 1/4"	2"	1 3/8"	Nickel-Plated Steel	7 1/4"	304 Stainless Steel	10-32	5/8"	No	11"	3575K531	00000
		1,100	37							4.6	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K541	00000
		1,250	37							5.2	15 1/4"	1,200	10 1/2"	2"	1 3/8"	Nickel-Plated Steel	10 1/2"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K551	00000
		1,550	38							6.5	17 7/8"	1,200	13 1/8"	2"	1 3/8"	Nickel-Plated Steel	13 1/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K561	000000
		1,700	36							7.1	19 1/2"	1,200	14 3/4"	2"	1 3/8"	Nickel-Plated Steel	14 3/4"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K571	000000
		1,900	36							7.9	21"	1,200	16 1/4"	2"	1 3/8"	Nickel-Plated Steel	16 1/4"	304 Stainless Steel	10-32	5/8"	No	20"	3575K581	000000
		2,200	30							9.2	23 3/4"	1,200	19"	2"	1 3/8"	Nickel-Plated Steel	19"	304 Stainless Steel	10-32	5/8"	No	22 3/4"	3575K611	000000
		2,400	35							10	25 1/2"	1,200	20 3/4"	2"	1 3/8"	Nickel-Plated Steel	20 3/4"	304 Stainless Steel	10-32	5/8"	No	24 1/2"	3575K631	000000


		2,500	34							10.4	26 3/4"	1,200	22"	2"	1 3/8"	Nickel-Plated Steel	22"	304 Stainless Steel	10-32	5/8"	No	25 3/4"	3575K641	000000
		2,800	29							11.7	30 1/2"	1,200	25 3/4"	2"	1 3/8"	Nickel-Plated Steel	25 3/4"	304 Stainless Steel	10-32	5/8"	No	29 1/2"	3575K671	000000
		3,150	32							13.1	33 1/2"	1,200	28 3/4"	2"	1 3/8"	Nickel-Plated Steel	28 3/4"	304 Stainless Steel	10-32	5/8"	No	32 1/2"	3575K681	000000
		3,450	33	14.4						35 7/8"	1,200	31 1/8"	2"	1 3/8"	Nickel-Plated Steel	31 1/8"	304 Stainless Steel	10-32	5/8"	No	34 7/8"	3575K691	000000
		4,150	31	17.3	42 1/2"					1,200	37 3/4"	2"	1 3/8"	Nickel-Plated Steel	37 3/4"	304 Stainless Steel	10-32	5/8"	No	41 1/2"	3575K711	000000




				Inline Screw Terminal

				500	21					2.1	10 1/2"	1,200	6 1/2"	2"	1 3/8"	Nickel-Plated Steel	6 1/2"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K21	00000


				725	31					3	10 1/2"	1,200	6 1/2"	2"	1 3/8"	Nickel-Plated Steel	6 1/2"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K524	00000
				750	21					3.1	14"	1,200	10"	2"	1 3/8"	Nickel-Plated Steel	10"	304 Stainless Steel	10-32	5/8"	No	13"	3575K854	00000
				900	31					3.8	12"	1,200	8"	2"	1 3/8"	Nickel-Plated Steel	8"	304 Stainless Steel	10-32	5/8"	No	11"	3575K22	00000
				1,100	35					4.6	14"	1,200	10"	2"	1 3/8"	Nickel-Plated Steel	10"	304 Stainless Steel	10-32	5/8"	No	13"	3575K23	00000
				1,250	31					5.2	15 1/4"	1,200	11 1/4"	2"	1 3/8"	Nickel-Plated Steel	11 1/4"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K24	00000
				1,550	31					6.5	17 7/8"	1,200	13 7/8"	2"	1 3/8"	Nickel-Plated Steel	13 7/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K25	000000
				1,700	31					7.1	19 1/2"	1,200	15 1/2"	2"	1 3/8"	Nickel-Plated Steel	15 1/2"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K26	000000
				1,900	31					7.9	21"	1,200	17"	2"	1 3/8"	Nickel-Plated Steel	17"	304 Stainless Steel	10-32	5/8"	No	20"	3575K27	000000
				2,200	31	9.2				23 3/4"	1,200	19 3/4"	2"	1 3/8"	Nickel-Plated Steel	19 3/4"	304 Stainless Steel	10-32	5/8"	No	22 3/4"	3575K28	000000
				2,400	32	10	25 1/2"			1,200	21 1/2"	2"	1 3/8"	Nickel-Plated Steel	21 1/2"	304 Stainless Steel	10-32	5/8"	No	24 1/2"	3575K29	000000


				2,500	30	10.4	26 3/4"			1,200	22 3/4"	2"	1 3/8"	Nickel-Plated Steel	22 3/4"	304 Stainless Steel	10-32	5/8"	No	25 3/4"	3575K3	000000
				2,800	30	11.7	30 1/2"			1,200	26 1/2"	2"	1 3/8"	Nickel-Plated Steel	26 1/2"	304 Stainless Steel	10-32	5/8"	No	29 1/2"	3575K31	000000
				3,150	30	13.1	33 1/2"			1,200	29 1/2"	2"	1 3/8"	Nickel-Plated Steel	29 1/2"	304 Stainless Steel	10-32	5/8"	No	32 1/2"	3575K32	000000
				3,450	31	14.4	35 7/8"			1,200	31 7/8"	2"	1 3/8"	Nickel-Plated Steel	31 7/8"	304 Stainless Steel	10-32	5/8"	No	34 7/8"	3575K33	000000
				4,150	31	17.3	42 1/2"			1,200	38 1/2"	2"	1 3/8"	Nickel-Plated Steel	38 1/2"	304 Stainless Steel	10-32	5/8"	No	41 1/2"	3575K35	000000




						Offset Screw Terminal

						500	24			2.1	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K513	00000


						725	35			3	10 1/2"	1,200	5 3/4"	2"	1 3/8"	Nickel-Plated Steel	5 3/4"	304 Stainless Steel	10-32	5/8"	No	9 1/2"	3575K523	00000
						750	23			3.1	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K853	00000
						900	34	3.8		12"	1,200	7 1/4"	2"	1 3/8"	Nickel-Plated Steel	7 1/4"	304 Stainless Steel	10-32	5/8"	No	11"	3575K533	00000
						1,100	33	4.6	14"	1,200	9 1/4"	2"	1 3/8"	Nickel-Plated Steel	9 1/4"	304 Stainless Steel	10-32	5/8"	No	13"	3575K543	00000
						1,250	33	5.2	15 1/4"	1,200	10 1/2"	2"	1 3/8"	Nickel-Plated Steel	10 1/2"	304 Stainless Steel	10-32	5/8"	No	14 1/4"	3575K553	00000
1,550						33	6.5	17 7/8"	1,200	13 1/8"	2"	1 3/8"	Nickel-Plated Steel	13 1/8"	304 Stainless Steel	10-32	5/8"	No	16 7/8"	3575K563	000000
1,700	33					7.1	19 1/2"	1,200	14 3/4"	2"	1 3/8"	Nickel-Plated Steel	14 3/4"	304 Stainless Steel	10-32	5/8"	No	18 1/2"	3575K573	000000
1,900	30					7.9	21"	1,200	16 1/4"	2"	1 3/8"	Nickel-Plated Steel	16 1/4"	304 Stainless Steel	10-32	5/8"	No	20"	3575K583	000000
2,200	33					9.2	23 3/4"	1,200	19"	2"	1 3/8"	Nickel-Plated Steel	16"	304 Stainless Steel	10-32	5/8"	No	22 3/4"	3575K613	000000
2,400	33					10	25 1/2"	1,200	20 3/4"	2"	1 3/8"	Nickel-Plated Steel	20 3/4"	304 Stainless Steel	10-32	5/8"	No	24 1/2"	3575K633	000000


2,500	32					10.4	26 3/4"	1,200	22"	2"	1 3/8"	Nickel-Plated Steel	22"	304 Stainless Steel	10-32	5/8"	No	25 3/4"	3575K643	000000
2,800	31					11.7	30 1/2"	1,200	25 3/4"	2"	1 3/8"	Nickel-Plated Steel	25 3/4"	304 Stainless Steel	10-32	5/8"	No	29 1/2"	3575K673	000000
3,150	31					13.1	33 1/2"	1,200	28 3/4"	2"	1 3/8"	Nickel-Plated Steel	28 3/4"	304 Stainless Steel	10-32	5/8"	No	32 1/2"	3575K683	000000
3,450	31					14.4	35 7/8"	1,200	31 1/8"	2"	1 3/8"	Nickel-Plated Steel	31 1/8"	304 Stainless Steel	10-32	5/8"	No	34 7/8"	3575K693	000000
4,150	31					17.3	42 1/2"	1,200	37 3/4"	2"	1 3/8"	Nickel-Plated Steel	37 3/4"	304 Stainless Steel	10-32	5/8"	No	41 1/2"	3575K713	000000

Point-of-Use Water Heaters

Also called tankless water heaters, these provide hot water on demand and take up less space than heaters with a tank. They are easier to install than gas tank heaters and don’t require a relief valve. All turn on when water flows through the heater and turn off when the flow stops.

Adjustable Thermostat with Digital Keypad—3/8" OD Bottom Compression Tube Connection

Image of Product. Front orientation. Water Heaters. Point-of-Use Water Heaters, Adjustable Thermostat with Digital Keypad—3/8" OD Bottom Compression Tube Connection.

Heaters with an adjustable thermostat let you set the exact water temperature you need.

Estimated Yearly Energy Cost @ Flow Rate—Estimated yearly energy cost is based on electricity cost of $0.12 per kWh. For more information, visit www.ftc.gov/energy.

	For No. of Faucets	Wattage, W	Current, amp	Est. Yearly Energy Cost @ Flow Rate	Max. Water Temp., ° F	For Water Pressure Range, psi	Flow Rate, gpm	Ht.	Wd.	Dp.		Each
240V AC, Single Phase



	102° F @ 0.5 gpm 51° F @ 1 gpm 34° F @ 1.5 gpm 26° F @ 2 gpm	1	7,500	32	Not Rated	140	30 to 150	0.2 to 2.5	10 3/4"	5 1/4"	3"	57565K86	0000000


	130° F @ 0.5 gpm 65° F @ 1 gpm 43° F @ 1.5 gpm 32° F @ 2 gpm	1	9,500	40	Not Rated	140	30 to 150	0.2 to 2.5	10 3/4"	5 1/4"	3"	57565K87	000000

Adjustable Thermostat with Screw—3/4 NPT Male Bottom Pipe Connection

Image of Product. Front orientation. Water Heaters. Point-of-Use Water Heaters, Adjustable Thermostat with Screw—3/4 NPT Male Bottom Pipe Connection.

Heaters with an adjustable thermostat let you set the exact water temperature you need.

Screws are inside the enclosure to prevent accidental movement.

For 4 Faucets—Heater for four faucets can be used with circular multistation wash fountains or a single shower.

Estimated Yearly Energy Cost @ Flow Rate—Estimated yearly energy cost is based on electricity cost of $0.12 per kWh. For more information, visit www.ftc.gov/energy.

	For No. of Faucets	Wattage, W	Current, amp	Est. Yearly Energy Cost @ Flow Rate	Max. Water Temp., ° F	For Water Pressure Range, psi	Flow Rate, gpm	Ht.	Wd.	Dp.		Each
240V AC, Single Phase



	87° F @ 1.5 gpm 65° F @ 2 gpm 52° F @ 2.5 gpm 43° F @ 3 gpm	4	19,000	80	Not Rated	110	40 to 150	0.7 to 3	10"	10 1/2"	3"	57565K42	0000000


	65° F @ 2 gpm 52° F @ 2.5 gpm 43° F @ 3 gpm 32° F @ 4 gpm	1	19,000	80	Not Rated	180	40 to 150	1.5 to 4	10"	10 1/2"	3"	57565K41	000000

Without Temperature Control—3/8" OD Bottom Compression Tube Connection

Image of Product. Front orientation. Water Heaters. Point-of-Use Water Heaters, Without Temperature Control—3/8" OD Bottom Compression Tube Connection.

Heaters without temperature control do not provide precise control. The temperature of the water coming out depends on the temperature of the water going in.

Estimated Yearly Energy Cost @ Flow Rate—Estimated yearly energy cost is based on electricity cost of $0.12 per kWh. For more information, visit www.ftc.gov/energy.

	Water Heaters													Replacement Elements
	Water Temp. Rise @ Flow Rate	For No. of Faucets	Wattage, W	Current, amp	Est. Yearly Energy Cost @ Flow Rate	Max. Water Temp., ° F	For Water Pressure Range, psi	Flow Rate, gpm	Ht.	Wd.	Dp.		Each		Each
120V AC, Single Phase



		41° F @ 0.5 gpm	1	3,000	25	$74 @ 0 gpm	150	30 to 150	0.3	10 1/2"	5 1/4"	3"	3556K71	0000000	3556K1	000000


		208V AC, Single Phase



				56° F @ 0.5 gpm	1	4,100	20	$74 @ 0 gpm	150	30 to 150	0.4	10 1/2"	5 1/4"	3"	3556K75	000000	3556K4	00000


				240V AC, Single Phase



						48° F @ 0.5 gpm	1	3,500	15	$74 @ 0 gpm	150	30 to 150	0.3	10 1/2"	5 1/4"	3"	3556K72	000000	3556K3	00000


						75° F @ 0.5 gpm	1	5,500	23	$74 @ 1 gpm	150	30 to 150	0.5	10 1/2"	5 1/4"	3"	3556K73	000000	3556K4	00000
						65° F @ 1 gpm 43° F @ 1.5 gpm	1	9,500	40	$74 @ 1 gpm	150	30 to 150	0.8	10 1/2"	5 1/4"	3"	3556K74	000000	57565K3	00000


						277V AC, Single Phase



								56° F @ 0.5 gpm	1	4,100	15	$74 @ 0 gpm	150	30 to 150	0.4	10 1/2"	5 1/4"	3"	3556K76	000000	3556K11	00000

Hot and Cold Tubes for Supplied-Air Respirators for Plant Air Lines

For Heating/Cooling

Adjust the temperature of the air flowing into your respirator. These tubes rapidly spin the air from your supply line to separate it into hot and cold streams. Turn a knob to control how much air from each stream flows into your respirator.

	Lg.	Air Temp. Increase, ° F	Air Temp. Reduction, ° F	Material	Belt Material	Fitting Connection	Quick-Disconnect Style	Coupling Size	Includes	Features		Each
For Heating/Cooling



	1"	9"	0 to 25	0 to 30	Aluminum	Polypropylene Fabric	Quick Disconnect	Industrial	1/4	Cable Tie, Heat Shield	Temperature Control Valve	9770T111	0000000