NEMA 1 Heating Elements | McMaster-Carr

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Ammonium Hydroxide (0-3% Concentration)

Ammonium Hydroxide (3-6% Concentration)

Sodium Hydroxide (Caustic Soda) (0-3% Concentration)

Sodium Hydroxide (Caustic Soda) (3-6% Concentration)

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155 Products

Selecting an Immersion Heater

Without Temperature Control

With Adjustable Thermostat

Install these heaters into threaded container openings or pipe couplings to quickly and efficiently heat liquid through direct contact.

Heaters without temperature control require a temperature switch or controller (sold separately) to regulate heat output.

Heaters with an adjustable thermostat automatically turn 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.

304 stainless steel heating elements are more corrosion resistant than copper heating elements.

316 stainless steel heating elements are more corrosion resistant than 304 stainless steel and copper heating elements.

Incoloy heating elements have the best corrosion resistance.

Note: Fully immerse the heating element in liquid to prevent heater failure. Install these heaters into threaded container openings or pipe couplings to quickly and efficiently heat liquid through direct contact.

For technical drawings and 3-D models, click on a part number.

Copper Heating Element with Brass Body

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type		Each
Without Temperature Control
120V AC, Single Phase
500	47	4.2	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	0000000
750	70	6.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,000	50	8.3	6 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	0000000	000000
1,000	94	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	61	12.5	7 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	0000000	000000
1,500	63	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
2,000	61	16.7	9 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	0000000	000000
240V AC, Single Phase
1,500	51	6.3	9 1/16"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Three Phase
3,000	41	7.2	10"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
4,000	94	9.6	11"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
5,000	60	12	11"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
7,500	60	18.1	16"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
10,000	55	24.1	22"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
480V AC, Three Phase
5,000	60	6	11"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
7,500	60	9	16"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
10,000	55	12	22"	2 1/4"	2	NPT	Male	Screw Terminals	0000000	000000
12,000	44	14.5	32 1/4"	2 1/2"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
18,000	44	21.7	47 3/8"	2 1/2"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
500	47	4.2	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
750	70	6.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,000	50	8.3	6 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
1,000	94	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	61	12.5	7 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
1,500	63	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
2,000	61	16.7	9 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Single Phase
1,500	51	6.3	9 1/16"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Three Phase
3,000	41	7.2	10"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
4,000	49	9.6	11"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
5,000	61	12	11"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	60	18.1	16"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
10,000	55	24.1	22"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
5,000	61	6	11"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	60	9	16"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
10,000	55	12	22"	2 1/4"	2	NPT	Male	Screw Terminals	00000000	000000
12,000	44	14.5	32 1/4"	2 1/2"	2 1/2	NPT	Male	Screw Terminals	00000000	00000000
18,000	44	21.7	47 3/8"	2 1/2"	2 1/2	NPT	Male	Screw Terminals	00000000	00000000

304 Stainless Steel Heating Element with 304 Stainless Steel Body

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type		Each
Without Temperature Control
120V AC, Single Phase
500	47	4.2	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	0000000
750	70	6.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,000	94	8.3	6 1/8"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
1,000	94	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	60	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	70	12.5	6 1/8"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Single Phase
1,500	67	6.3	9 1/16"	15/16"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
3,000	54	12.5	8"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
240V AC, Three Phase
3,000	54	7.2	8"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
4,500	52	10.8	12"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	51	18.1	19 1/2"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,500	49	25.3	28"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
4,500	52	5.4	12"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	51	9	19 1/2"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,500	49	12.6	28"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
12,000	48	14.5	32 1/4"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
15,000	48	18.1	39 7/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
18,000	48	21.7	47 3/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
500	47	4.2	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
750	70	6.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,000	70	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,000	94	8.3	6 1/8"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
1,500	63	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	70	12.5	6 1/8"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Single Phase
1,500	67	6.3	9 1/16"	15/16"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
3,000	54	12.5	8"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
240V AC, Three Phase
3,000	54	7.2	8"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
4,500	52	10.8	12"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	51	18.1	19 1/2"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,500	49	25.3	28"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
4,500	52	5.4	12"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	51	9	19 1/2"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,500	49	12.6	28"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
12,000	48	14.5	32 1/4"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
15,000	48	18.1	39 7/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
18,000	48	21.7	47 3/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000

316 Stainless Steel Heating Element with 316 Stainless Steel Body

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type		Each
Without Temperature Control
120V AC, Single Phase
1,000	94	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	0000000
1,500	90	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
2,000	61	16.7	9 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
4,500	49	5.4	12"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000
7,500	48	9	19 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000
10,500	45	12.6	28"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
1,000	94	8.3	6 3/8"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
1,500	63	12.5	9 1/4"	1 1/8"	1	NPT	Male	Screw Terminals	00000000	000000
2,000	61	16.7	9 1/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
4,500	49	5.4	12"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000
7,500	47	9	19 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000
10,500	45	12.6	28"	2 1/4"	2	NPT	Male	Screw Terminals	000000	000000

Incoloy Heating Element with 304 Stainless Steel Body

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type		Each
Without Temperature Control
120V AC, Single Phase
1,500	52	12.5	11"	15/16"	1 1/4	NPT	Male	Screw Terminals	0000000	0000000
3,000	52	25	15 1/2"	15/16"	1 1/4	NPT	Male	Screw Terminals	0000000	000000
240V AC, Three Phase
5,000	52	12	13"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
7,500	49	18.1	20"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
10,000	52	24.1	25"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
480V AC, Three Phase
5,000	52	6	13"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
7,500	49	9	20"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
10,000	52	12	25"	1 7/8"	2	NPT	Male	Screw Terminals	0000000	000000
12,000	48	14.5	32 1/4"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
15,000	48	18.1	39 7/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
18,000	48	21.7	47 3/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
1,500	52	12.5	11"	15/16"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
3,000	52	25	15 1/2"	15/16"	1 1/4	NPT	Male	Screw Terminals	00000000	000000
240V AC, Three Phase
5,000	52	12	13"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	49	18.1	20"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,000	52	24.1	25"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
480V AC, Three Phase
5,000	52	6	13"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
7,500	49	9	20"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
10,000	52	12	25"	1 7/8"	2	NPT	Male	Screw Terminals	00000000	000000
12,000	48	14.5	32 1/4"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
15,000	48	18.1	39 7/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000
18,000	48	21.7	47 3/8"	2 5/16"	2 1/2	NPT	Male	Screw Terminals	00000000	000000

Replacement Thermostat (60° to 250°F)

0000000

Each

0000000

Hanging Immersion Heaters for Water

Sized to fit drums, these heaters have a bracket to hook on the side of drums and in bung openings. They quickly and efficiently heat liquid through direct contact. An adjustable thermostat automatically turns the heater 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. Heaters are for use in metal containers; they should not be used in plastic containers.

Bung-mount heaters have a bracket to secure them in drum openings.

Stainless steel heating elements have good corrosion resistance.

Note: Immerse the heating element in liquid up to at least the minimum coverage level to prevent heater failure.

Bung-Mount Heaters

Bung-Mount Heater

						Heating Element
For Container Cap., gal.	Wattage, W	Watt Density, W/sq. in.	Voltage	Electrical Phase	Current, A	Lg.	Wd.	Min. Coverage	Temp. Control Range, °F	For Bung Dia.	Wire Connection Type	Environmental Rating		Each
Steel Heating Element
55	4,000	32	240V AC	Single	16.7	36"	19"	7"	60° to 250°	2"	Screw Terminals	NEMA 1	00000000	0000000
321 Stainless Steel Heating Element
55	4,000	32	240V AC	Single	16.7	36"	19"	7"	60° to 250°	2"	Screw Terminals	NEMA 1	00000000	000000

Screw-Plug Immersion Heaters for Chemical Solutions

Without Temperature Control

With Adjustable Thermostat

Install these heaters into threaded container openings or pipe couplings to quickly and efficiently heat liquid through direct contact. The heating element is Incoloy for excellent resistance to harsh chemicals.

Heaters without temperature control require a temperature switch or controller (sold separately) to regulate heat output.

Note: Fully immerse the heating element in liquid to prevent heater failure.

For technical drawings and 3-D models, click on a part number.

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type	For Use With		Each
Without Temperature Control
Incoloy Heating Element with 304 Stainless Steel Body
240V AC, Single Phase
5,000	30	20.8	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	0000000
240V AC, Three Phase
5,000	30	12	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
480V AC, Single Phase
5,000	30	10.4	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
480V AC, Three Phase
5,000	30	6	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
10,000	30	12	43"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
With Adjustable Thermostat (60° to 250°F)
Incoloy Heating Element with 304 Stainless Steel Body
240V AC, Single Phase
5,000	30	20.8	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
240V AC, Three Phase
5,000	30	12	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
480V AC, Single Phase
5,000	30	10.4	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
480V AC, Three Phase
5,000	30	6	22"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000
10,000	30	12	43"	1 7/8"	2	NPT	Male	Screw Terminals	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Ethylene Glycol, Soap Solutions, Sodium Hydroxide (0-3%), Sodium Hydroxide (3-6%), Water	00000000	000000

Replacement Thermostat (60° to 250°F)

0000000

Each

0000000

Screw-Plug Immersion Heaters for Oil and Coolant

To heat oil and coolant without creating hot spots and damaging the heating element, these heaters have a lower watt density than heaters for water or chemicals. They install into threaded container openings or pipe couplings to quickly and efficiently heat liquid through direct contact.

Heaters without temperature control require a temperature switch or controller (sold separately) to regulate heat output.

Incoloy heating elements are more corrosion resistant than steel heating elements.

Note: Fully immerse the heating element in liquid to prevent heater failure. These heaters install through threaded container openings or pipe couplings.

For technical drawings and 3-D models, click on a part number.

Incoloy Heating Element with 304 Stainless Steel Body

Without Temperature Control —Incoloy Heating Element

With Adjustable Thermostat—Incoloy Heating Element

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type	For Use With		Each
Without Temperature Control
120V AC, Single Phase
475	22	4	12 9/16"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	0000000
1,100	21	9.2	28 7/16"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	000000
1,325	20	11	34 7/8"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
475	22	4	12 9/16"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	000000
1,100	21	9.2	28 7/16"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	000000
1,325	20	11	34 7/8"	15/16"	1	NPT	Male	Screw Terminals	Ethylene Glycol Hydraulic Oil Machine Oil Motor Oil Propylene Glycol Water	00000000	000000

Replacement Thermostat (60° to 250°F)

0000000

Each

0000000

Steel Heating Element with Steel Body

Without Temperature Control—Steel Heating Element

With Adjustable Thermostat—Steel Heating Element

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Pipe Size	Thread Type	Gender	Wire Connection Type	For Use With	Body Material		Each
Without Temperature Control
120V AC, Single Phase
475	21	4	12 9/16"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	0000000
1,000	21	8.3	12 3/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
1,100	21	9.2	28 7/16"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,325	20	11	34 7/8"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,500	22	12.5	18 1/2"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
240V AC, Three Phase
3,000	21	7.2	18"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
5,000	21	12	29"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
7,500	20	18.1	43 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
10,000	21	24.1	57 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
480V AC, Three Phase
5,000	21	6	29"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
7,500	20	9	43 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
10,000	21	12	57 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	0000000	000000
With Adjustable Thermostat (60° to 250°F)
120V AC, Single Phase
475	21	4	12 9/16"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,000	23	8.3	12 3/4"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,100	20	9.2	28 7/16"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,325	19	11	34 7/8"	1 1/8"	1	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
1,500	23	12.5	18 1/2"	1 3/8"	1 1/4	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
240V AC, Three Phase
3,000	21	7.2	18"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
5,000	21	12	29"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
7,500	20	18.1	43 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
10,000	21	24.1	57 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
480V AC, Three Phase
5,000	21	6	29"	1 1/8"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
7,500	21	9	43 1/2"	1 1/8"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000
10,000	21	12	57 1/2"	2 1/4"	2	NPT	Male	Screw Terminals	Ethylene Glycol Water	Steel Body	00000000	000000

Hanging Immersion Heaters for Coolant

Use the attached bracket to hook these heaters on the side of drums and in bung openings. They quickly and efficiently heat liquid through direct contact. With a lower watt density than heaters for water or chemicals, these heaters can heat coolant without creating hot spots or damaging the heating element. An adjustable thermostat automatically turns the heater 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. Heaters are for use in metal containers; they should not be used in plastic containers.

Bung-mount heaters have a bracket to secure them in drum openings.

Stainless steel heating elements have good corrosion resistance.

Note: Immerse the heating element in liquid up to at least the minimum coverage level to prevent heater failure.

Bung-Mount Heaters

Bung-Mount Heater

						Heating Element
For Container Cap., gal.	Wattage, W	Watt Density, W/sq. in.	Voltage	Electrical Phase	Current, A	Lg.	Wd.	Min. Coverage	Temp. Control Range, °F	For Bung Dia.	Wire Connection Type	Environmental Rating	For Use With		Each
Steel Heat Element
55	1,000	8	120V AC	Single	8.3	36"	19"	7"	60° to 250°	2"	Screw Terminals	NEMA 1	Ethylene Glycol, Water	00000000	0000000
321 Stainless Steel Heat Element
55	1,000	8	120V AC	Single	8.3	36"	19"	7"	60° to 250°	2"	Screw Terminals	NEMA 1	Ethylene Glycol, Water	00000000	000000

Flow-Through Heaters for Chemical Solutions

5-15

Also known as circulation heaters, 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 heaters without damaging the heating element. An adjustable thermostat automatically turns the heater 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. Heaters automatically shut off at 202° F to prevent fire and heating element burnout. The heating element is titanium for excellent resistance to harsh chemicals.

For technical drawings and 3-D models, click on a part number.

			Heating Element
Wattage, W	Watt Density, W/sq. in.	Current, A	Lg.	Wd.	Temp. Control Range, °F	Pipe Size	Thread Type	Gender	Electrical Connection Type	NEMA Style	Environmental Rating	For Use With		Each
Titanium Heating Element with 304 Stainless Steel Body
120V AC, Single Phase
1,500	42	12.5	15"	5.7"	90° to 190°	1 1/2	NPT	Female	Plug	5-15	NEMA 1	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Deionized Water, Salt Water, Water	0000000	0000000
240V AC, Single Phase
3,000	84	12.5	15"	5.7"	90° to 190°	1 1/2	NPT	Female	Hardwire	__	NEMA 1	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Deionized Water, Salt Water, Water	0000000	000000
4,000	112	16.7	15"	5.7"	90° to 190°	1 1/2	NPT	Female	Hardwire	__	NEMA 1	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Deionized Water, Salt Water, Water	0000000	000000
6,000	167	25	15"	5.7"	90° to 190°	1 1/2	NPT	Female	Hardwire	__	NEMA 1	Ammonium Hydroxide (0-3%), Ammonium Hydroxide (3-6%), Deionized Water, Salt Water, Water	0000000	000000

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Selecting an Immersion Heater

Screw-Plug Immersion Heaters for Water

Hanging Immersion Heaters for Water

Screw-Plug Immersion Heaters for Chemical Solutions

Screw-Plug Immersion Heaters for Oil and Coolant

Hanging Immersion Heaters for Coolant

Flow-Through Heaters for Chemical Solutions