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Flow Switches

MCDONNELL & MILLER General Purpose Flow Switch, NEMA1

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General Purpose Switch, Min. Flow Rate 5.8 GPM, Max. Flow GPM 131, Connection Size (In.) 1 NPT, Switch Enclosure NEMA1, Min. Ambient Temp. 32 F, Min. Fluid Temp. 32 F, Max. Fluid Temp. 250 F, Max. Pressure 160 PSI, Operating Velocity Range 130 - 280 FPM, Switch Type Single Pole Double Throw Snap Switch, Contact Rating 7.4A @ 120 VAC - Full Load, 120 VA @ 120 or 240 VAC - Pilot Duty, Body Material Brass, Material of Construction Brass, Stainless Steel, EPDM, Voltage 120/240

Grainger Item #	2RUL3
Price (ea.)	$148.35
Brand	MCDONNELL & MILLER
Mfr. Model #	FS251
UNSPSC #	39121538
Ship Qty.	1
Sell Qty. (Will-Call)	1
Ship Weight (lbs.)	1.99
Availability	Typically in Stock
Catalog Page No.	4115
Country of Origin (Country of Origin is subject to change.)	USA

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Item		General Purpose Switch
Min. Flow Rate (GPM)		5.8
Max. Flow GPM		131
Connection Size (In.)		1 MNPT
Switch Enclosure		NEMA 1
Min. Ambient Temp. (F)		32
Min. Fluid Temp. (F)		32
Max. Fluid Temp. (F)		250
Max. Pressure (PSI)		160
Operating Velocity Range (FPM)		130 to 280
Switch Type		Single Pole Double Throw Snap Switch
Contact Rating		7.4A @ 120 VAC - Full Load, 120 VA @ 120 or 240 VAC - Pilot Duty
Body Material		Brass
Material of Construction		Brass, SS, EPDM
Wetted Materials		Brass, Stainless Steel, EPDM
Max. Operating Velocity (FPM)		600
Voltage		120/240
For Use With		Water Systems
Application		Signal Lights, Alarms, Motors, Automatic Burners and Metering Devices

Other Popular Terms for this Product

• Pump Controls (927)

• Water Sensors (158)

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• Liquid Flow Switches (116)

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Optional Accessories

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Paddle Kit, SS, PK 4

Brand:

MCDONNELL & MILLER

Grainger Item #:

2RUL5

Price (pk.):

$25.95

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Item #	Description	Brand Mfr. Model #	Availability	Price
2RUL5	Paddle Kit, SS, PK 4 >More Details... Country of Origin: Taiwan	MCDONNELL & MILLER FS4-15SS	Typically in Stock	$25.95
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2NE37	Compound, Sealing, 4 Oz >More Details... Country of Origin: USA	KILLARK SC-4OZ	Typically in Stock	$10.54
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2NE38	Compound, Sealing, 8 Oz >More Details... Country of Origin: USA	KILLARK SC-8OZ	Typically in Stock	$11.17
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	Item #	Description	Brand Mfr. Model #	Availability	Price
	1RF63	Switch, Flow >More Details... Country of Origin: USA	MCDONNELL & MILLER FS5-1	Typically in Stock	$255.50
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	2RUL4	General Purpose Flow Switch, NEMA4 >More Details... Country of Origin: USA	MCDONNELL & MILLER FS254	Typically in Stock	$236.50
	Be the First to Write a Review


Add Grainger TripleGuard® repair & replacement coverage for $55.95 each.

	4RC68	Switch, Liquid Flow >More Details... Country of Origin: USA	MCDONNELL & MILLER FS6-1	Typically in Stock	$406.75
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Pumps > Pump Controls > Flow Switches

MCDONNELL & MILLER General Purpose Flow Switch, NEMA1

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