Steam Pumps | McMaster-Carr

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39 Products

About Sump, Water-Removal, Condensate, and Submersible Pumps

How to Prime Your Pump

How to Determine Feet of Head

Equipped with a built-in container for condensate, these pumps work alongside your system to remove condensate from air conditioners, refrigerators, dehumidifiers, and other equipment. They are not submersible. A safety switch turns off your equipment in case of pump failure. Pumps turn on and off automatically.

Hardwire pumps must be wired to a power source.

Style A pumps have a two-piece body so you can install them up to 3 ft. away from the condensate reservoir.

Style B pumps have a low profile for use in areas with limited clearance.

Style C pumps are often used with medium tonnage air conditioning and refrigerating units.

Style D pumps withstand higher temperatures than the other styles.

Style E pumps handle heavy condensate accumulation.

Style F pumps move condensate to greater heights than the other styles.

Style A

			Max. Flow Rate, gpm					Level						Overall
Style	Electrical Connection Type	Tank Capacity, oz.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC/240V AC, Single Phase—With Thermal Overload Protection
A	Hardwire	0.7	0.04	0.03	0.03	33	26	9/16"	0.38"	35° to 140°	Not Rated	0.1/0.2	1/4 NPT Male	2 3/8"	1 7/8"	4 1/8"	0000000	0000000

Style B

			Max. Flow Rate, gpm					Level					Discharge		Overall
Style	Electrical Connection Type	Tank Capacity, gal.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Tube Connection Type	For Tube ID	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
B	Plug	0.3	1.3	1.1	0.8	20	9	1"	1/2"	35° to 120°	1/30 hp	1.5	Barbed	3/8"	5"	5"	12"	00000000	0000000
240V AC, Single Phase—With Thermal Overload Protection
B	Plug	0.3	1.3	1.1	0.8	14	7	1"	1/2"	35° to 120°	1/30 hp	0.5	Barbed	3/8"	5"	5"	12"	00000000	000000

Style C

			Max. Flow Rate, gpm					Level					Discharge		Overall
Style	Electrical Connection Type	Tank Capacity, gal.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Tube Connection Type	For Tube ID	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
C	Plug	0.5	1.3	1.1	0.8	20	9	2 1/4"	1 1/4"	35° to 120°	1/30 hp	1.5	Barbed	3/8"	7"	5"	11"	00000000	0000000
240V AC, Single Phase—With Thermal Overload Protection
C	Plug	0.5	1.3	1.1	0.8	17	7	2 1/4"	1 1/4"	35° to 120°	1/30 hp	0.5	Barbed	3/8"	7"	5"	11"	00000000	000000

Style D

			Max. Flow Rate, gpm					Level					Discharge		Overall
Style	Electrical Connection Type	Tank Capacity, gal.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Tube Connection Type	For Tube OD	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
D	Hardwire	1	1.8	1.6	1.4	25	11	3 3/16"	7/8"	35° to 190°	1/20 hp	1.3	Compression	3/8"	10 1/8"	6"	12"	0000000	0000000
D	Hardwire	1	7.9	7.3	6.6	50	22	3 3/16"	7/8"	35° to 210°	1/4 hp	4	Compression	1/2"	10 1/8"	6"	12"	0000000	000000
240V AC, Single Phase—With Thermal Overload Protection
D	Hardwire	1	1.8	1.6	1.4	25	11	3 3/16"	7/8"	35° to 190°	1/20 hp	0.9	Compression	3/8"	10 1/8"	6"	12"	0000000	000000
D	Hardwire	1	8.1	7.5	6.8	50	22	3 3/16"	7/8"	35° to 210°	1/5 hp	1	Compression	1/2"	10 1/8"	6"	12"	0000000	000000

Style E

			Max. Flow Rate, gpm					Level					Discharge		Overall
Style	Electrical Connection Type	Tank Capacity, gal.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Tube Connection Type	For Tube ID	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
E	Plug	1	4.5	4.1	3.5	24	10	3 1/2"	2"	35° to 120°	1/18 hp	2.5	Barbed	3/8"	10 5/8"	6"	12"	00000000	0000000
240V AC, Single Phase—With Thermal Overload Protection
E	Plug	1	4.5	4.1	3.5	24	10	3 1/2"	2"	35° to 120°	1/18 hp	1.2	Barbed	3/8"	10 1/2"	6"	12"	00000000	000000

Style F

			Max. Flow Rate, gpm					Level					Discharge		Overall
Style	Electrical Connection Type	Tank Capacity, gal.	@ 1 Ft. of Head	@ 5 Ft. of Head	@ 10 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Tube Connection Type	For Tube OD	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
F	Plug	1	7.5	7.3	6.8	45	20	3 1/2"	2"	35° to 120°	1/5 hp	3.5	Compression	3/8"	10 1/2"	6"	12"	00000000	0000000
240V AC, Single Phase—With Thermal Overload Protection
F	Plug	1	7.5	7.3	6.8	45	20	3 1/2"	2"	35° to 120°	1/5 hp	1	Compression	3/8"	10 1/2"	6"	12"	00000000	000000

Condensate Pumps

Fully submersible, these pumps are designed for installation inside your condensate collection tank or drain pan. Use them to collect and remove condensate from air conditioners, refrigerators, dehumidifiers, and other equipment. They turn on and off automatically.

Max. Flow Rate, gpm				Level							Overall
@ 1 Ft. of Head	@ 5 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Intake Inlet Connection Type	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
Plug
3.4	2.4	10	4	1 3/4"	1 1/4"	35° to 120°	1/150 hp	1.1	Screened	1/4 NPT Male	4 3/8"	6 3/8"	6 1/8"	0000000	0000000
240V AC, Single Phase—With Thermal Overload Protection
Hardwire
3.4	2.4	10	4	1 3/4"	1 1/4"	35° to 120°	1/150 hp	0.5	Screened	1/4 NPT Male	4 3/8"	6 3/8"	6 1/8"	0000000	000000

Steam Condensate Pumps with Tank

Designed for use in low-pressure steam systems, these pumps capture steam in the attached tank and return hot condensate to your boiler or feed unit. They are activated by a float switch, turning on and off when condensate level reaches a certain depth.

Pumps with cast iron tank are for continuous use and have a longer service life than carbon steel.

Maintenance kit for pump with cast iron tank includes a shaft, a bushing, a thrust washer, a spring washer, an oil seal, and snap rings.

Carbon Steel Tank

Carbon Steel Tank

		Max. Flow Rate, gpm					Level							Overall
Electrical Connection Type	Tank Cap., gal.	@ 1 Ft. of Head	@ 10 Ft. of Head	@ 35 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
Hardwire	8	44	41	26	46	20	7"	4 1/2"	35° to 250°	1/3 hp	5.6	2 NPT Female	3/4 NPT Female	12 1/2"	12 1/2"	21 1/2"	00000000	000000000
Hardwire	15	44	41	26	46	20	9"	4 1/2"	35° to 250°	1/3 hp	5.6	2 NPT Female	3/4 NPT Female	14 3/8"	17"	23 1/4"	00000000	00000000

Cast Iron Tank

Cast Iron Tank

		Max. Flow Rate, gpm				Level							Overall
Electrical Connection Type	Tank Cap., gal.	@ 35 Ft. of Head	@ 50 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC/240V AC, Single Phase—With Thermal Overload Protection
Hardwire	8	6.5	5.8	69	30	7 1/4"	5 1/4"	160° to 200°	1/4 hp	2.5/5	2 NPT Female	1 NPT Female	26"	17"	17"	0000000	000000000
Hardwire	8	13	__	46	20	7 1/4"	5 1/4"	160° to 200°	1/3 hp	3.2/6	2 NPT Female	1 NPT Female	26"	17"	17"	0000000	00000000

Maintenance Kit

0000000

Each

0000000

Corrosion-Resistant Steam Condensate Pump with Tank

The stainless steel tank has excellent corrosion resistance. Designed for use in low-pressure steam systems, these pumps capture steam in the attached tank and return hot condensate to your boiler or feed unit. They are activated by a float switch, turning on and off when condensate level reaches a certain depth.

	Max. Flow Rate, gpm					Level							Overall
Tank Cap., gal.	@ 1 Ft. of Head	@ 10 Ft. of Head	@ 35 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
Hardwire
8	44	41	26	46	20	7"	4 1/2"	35° to 250°	1/3 hp	5.6	2 NPT Female	3/4 NPT Female	12 1/2"	12 1/2"	21 1/2"	00000000	000000000
15	44	41	26	46	20	9"	4 1/2"	35° to 250°	1/3 hp	5.6	2 NPT Female	3/4 NPT Female	14 3/8"	17"	23 1/4"	00000000	00000000

Extended-Life Steam Condensate Pumps with Tank

To handle high condensate volume, the workload is distributed between two pumps for a longer service life than standard steam condensate pumps. The second pump provides redundancy so one pump can operate while you work on the other. Use in low-pressure steam systems to capture hot condensate and return it to your boiler or feed unit. Pumps turn on and off when condensate level reaches a certain depth.

Maintenance kit includes a shaft, a bushing, a thrust washer, a spring washer, an oil seal, and snap rings. Purchase two kits to repair this pump.

	Max. Flow Rate, gpm				Level							Overall
Tank Cap., gal.	@ 35 Ft. of Head	@ 50 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn On	Turn Off	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC/240V AC, Single Phase—With Thermal Overload Protection
Hardwire
15	13	12	46	20	6 1/2", 7 1/2"	4 1/4", 5 1/4"	160° to 200°	1/3 hp	3.2/6	2 NPT Female	1 NPT Female	24"	22 1/2"	22 1/2"	0000000	000000000

Maintenance Kit

0000000

Each

0000000

Extended-Life High-Flow Steam Condensate Pumps with Tank

To handle high condensate volume, the workload is distributed between two pumps for a longer service life than standard high-flow steam condensate pumps. The second pump provides redundancy so one pump can operate while you work on the other. These pumps move a higher volume of condensate than standard steam condensate pumps. Use them in low-pressure steam systems to capture hot condensate and return it to your boiler or feed unit. Pumps turn on when the tank is 2/3 full and turn off when condensate drops to 6" deep.

	Max. Flow Rate, gpm										Overall
Tank Cap., gal.	@ 35 Ft. of Head	@ 50 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn-Off Level	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC/240V AC, Single Phase—With Thermal Overload Protection
Hardwire
15	35	25	71	25	6"	35° to 210°	1/3 hp	4.4/8.8	2 NPT Female	1 NPT Female	20"	18"	27"	0000000	000000000
20	35	25	71	25	6"	35° to 210°	1/3 hp	4.4/8.8	2 NPT Female	1 NPT Female	21"	25"	25"	0000000	00000000

Replacement Vent Pipe Assembly	Each	000000
Maintenance Seal Kit	Each	000000
Replacement Tank Gasket	Each	00000
Replacement Impeller	Each	000000
Replacement Pump and Motor Assembly Kit	Each	00000000

High-Flow Steam Condensate Pumps with Tank

Move a higher volume of condensate than standard steam condensate pumps. Use these pumps in low-pressure steam systems to capture hot condensate and return it to your boiler or feed unit. They turn on when the tank is 2/3 full and turn off when condensate drops to 6" deep.

	Max. Flow Rate, gpm										Overall
Tank Cap., gal.	@ 35 Ft. of Head	@ 50 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Turn-Off Level	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC/240V AC, Single Phase—With Thermal Overload Protection
Hardwire
6	35	25	71	25	6"	30° to 210°	1/3 hp	4.4/8.8	2 NPT Female	1 NPT Female	13"	15"	26"	0000000	000000000
15	35	25	71	25	6"	30° to 210°	1/3 hp	4.4/8.8	2 NPT Female	1 NPT Female	20"	18"	27"	0000000	00000000
20	35	25	71	25	6"	30° to 210°	1/3 hp	4.4/8.8	2 NPT Female	1 NPT Female	19"	25"	25"	0000000	00000000

Maintenance Seal Kit	Each	0000000
Replacement Float Switch for Pumps with 15 gal. and 20 gal. Tank Cap.	Each	000000
Replacement Impeller	Each	000000
Replacement Tank Gasket	Each	00000
Replacement Pump and Motor Assembly Kit	Each	00000000
Replacement Vent Pipe Assembly	Each	00000
Replacement Float Switch for Pumps with 6 gal. Tank Cap.	Each	000000

Steam Condensate Pumps

Use these pumps in low-pressure steam systems to capture hot condensate and return it to your boiler or feed unit. Wire your own pump activation switch.

Max. Flow Rate, gpm										Overall
@ 35 Ft. of Head	@ 50 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Connection Type	Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
Hardwire
38	3	50	20	35° to 212°	1/2 hp	8.2	Flanged	2 3/4	1 1/2 NPT Female	16"	7 3/8"	10 3/4"	00000000	000000000
50	23	58	20	35° to 212°	3/4 hp	8.2	Flanged	2 3/4	1 1/2 NPT Female	16 3/4"	7 3/8"	10 3/4"	00000000	00000000

Boiler Feed Pumps

Keep the water in your boiler at the proper level by pumping in condensate. Wire one of these pumps to the boiler’s controller and the float switch activates the pump to fill when water level gets too low. A safety valve connects to your facility’s water line to ensure the pump won’t run dry.

	Max. Flow Rate, gpm										Overall
Tank Cap., gal.	@ 1 Ft. of Head	@ 10 Ft. of Head	@ 35 Ft. of Head	Max. Ft. of Head, ft.	Max. Pressure, psi	Temp. Range, °F	Horsepower	Current, A	Intake Pipe Size	Discharge Pipe Size	Ht.	Wd.	Dp.		Each
120V AC, Single Phase—With Thermal Overload Protection
Hardwire
15	44	41	26	46	20	35° to 250°	1/3 hp	5.6	2 1/2 NPT Female	3/4 NPT Female	18 3/8"	22"	28"	00000000	000000000
30	44	41	26	46	20	35° to 250°	1/3 hp	5.6	2 1/2 NPT Female	3/4 NPT Female	18 3/8"	22"	28"	00000000	00000000