Mcdonnell & Miller Water Feeders

Mcdonnell & Miller Mechanical Water Feeders/Low Water Cut-Offs are for steam and hot water boilers with cold water feed. Mcdonnell & Miller Electric Water Feeders are for low pressure steam boilers with cold water feed. For more information on any of the Mcdonnell and Miller Water Feeders that are listed, click on the individual item name.

35 products shown

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Product Specifications
Application:	Boiler Receiver Tanks
Type:	Make-Up
Max Pressure:	150 psi
Max Vessel Pressure:	35 psi
Max Inlet Water Temp (F):	120°F
Width:	17.4375"
Height:	11.8125"
Mount:	5-3/4" Bolt Circle
Bolt Hole Size:	7/16"

21, Make-Up Water Feeder

SKU: 126400
Brand: Mcdonnell & Miller

In Stock!

6 Avail (Ships in 24-48 Hrs)

$374.55 / each

Free Shipping

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Product Specifications
Application:	Boiler Receiver Tanks
Type:	Make-Up
Max Pressure:	100 psi
Max Vessel Pressure:	35 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	12.25"
Height:	1"
Connection Type:	NPT

25-A, Make-Up Water Feeder

SKU: 126800
Brand: Mcdonnell & Miller

In Stock!

21 Avail (Ships in 24-48 Hrs)

$553.49 / each

Free Shipping

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Product Specifications
Application:	Commercial
Type:	Liquid Level Control
Max Pressure:	100 psi
Max Vessel Pressure:	35 psi
Max Inlet Water Temp (F):	212°F
Width:	11.0625"
Height:	5"
Material:	Brass
Temperature Range (F):	40°F to 212°F

27-W, Liquid Level Control

SKU: 127200
Brand: Mcdonnell & Miller

In Stock!

2 Avail (Ships in 24-48 Hrs)

$789.75 / each

Free Shipping

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Product Specifications
Application:	Actuation Control
Type:	Liquid Level Control
Max Pressure:	250 psig
Max Temp (F):	406°F
Connection Type:	NPT

RS-1-BR-1, Single Level Remote Sensor
(Part# 179524)

SKU: 179524
Brand: Mcdonnell & Miller

In Stock!

3 Avail (Ships in 24-48 Hrs)

$115.59 / each

47X-2, Mechanical Water Feeder w/ out Quick Hook Up Fittings, w/ No. 2 Switch

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Automatic
Switch:	#2
Width:	11.875"
Max Inlet Water Temp (F):	120°F

47X-2, Mech. Water Feeder
No Quick Hook Up Fittings
w/ No. 2 Switch

SKU: 176212
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$468.85 / each

Free Shipping

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	11.875"
Features:	Quick Hook-Up Fittings

47, Mechanical Water Feeder

SKU: 132700
Brand: Mcdonnell & Miller

In Stock!

15 Avail (Ships in 24-48 Hrs)

$445.45 / each

Free Shipping

47-2, Mechanical Water Feeder w/ #2 Switch (LWCO Function)

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Automatic
Switch:	#2
Width:	11.875"
Max Inlet Water Temp (F):	120°F

47-2, Mechanical Water Feeder w/ LWCO Function

SKU: 132800
Brand: Mcdonnell & Miller

In Stock!

24 Avail (Ships in 24-48 Hrs)

$526.45 / each

Free Shipping

47-2-M, Mechanical Water Feeder w/ #2 Switch (LWCO Function), w/ Manual Reset

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Manual
Switch:	#2
Width:	11.875"
Max Inlet Water Temp (F):	120°F

47-2-M, Mechanical Water Feeder w/ LWCO Function
w/ Manual Reset

SKU: 132900
Brand: Mcdonnell & Miller

In Stock!

1 Avail (Ships in 24-48 Hrs)

$526.45 / each

Free Shipping

47-X, Mechanical Water Feeder w/ out Quick Hook Up Fittings

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Automatic
Width:	11.875"
Max Inlet Water Temp (F):	120°F
Electrical Ratings (AFL):	10.2 A @ 120 VAC

47-X, Mechanical Water Feeder, No Quick
Hook-Up Fittings

SKU: 133400
Brand: Mcdonnell & Miller

In Stock!

2 Avail (Ships in 24-48 Hrs)

$363.95 / each

Free Shipping

View Specs

Product Specifications
Application:	Steam Boilers
	Hot Water Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	35 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9"
Height:	10.375"

51, Mechanical Water Feeder

SKU: 134700
Brand: Mcdonnell & Miller

In Stock!

6 Avail (Ships in 24-48 Hrs)

$550.95 / each

Free Shipping

51-2, Mechanical Water Feeder w/ #2 Switch (LWCO Function)

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	35 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9"
Height:	10.375"

51-2, Mechanical Water Feeder w/ LWCO Function

SKU: 135000
Brand: Mcdonnell & Miller

In Stock!

13 Avail (Ships in 24-48 Hrs)

$629.95 / each

Free Shipping

51-2-M, Mechanical Water Feeder w/ No. 2 Switch (LWCO Function), w/ Manual reset

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	35 psi
Reset Type:	Manual
Max Inlet Water Temp (F):	120°F
Width:	9"
Height:	10.375"

51-2-M, Mechanical Water Feeder w/ LWCO Function
w/ Manual Reset

SKU: 135200
Brand: Mcdonnell & Miller

In Stock!

1 Avail (Ships in 24-48 Hrs)

$647.95 / each

Free Shipping

51-S-2, Mechanical Water Feeder w/ #2 Switch (LWCO Function)

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	100 psi
Max Vessel Pressure:	35 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9"
Height:	10.375"

51-S-2, Mechanical Water Feeder w/ LWCO Function

SKU: 135900
Brand: Mcdonnell & Miller

In Stock!

2 Avail (Ships in 24-48 Hrs)

$755.95 / each

Free Shipping

51-S-2-M, Mechanical Water Feeder w/ no. 2 Switch (LWCO Function), w/ Manual Reset

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	100 psi
Max Vessel Pressure:	35 psi
Reset Type:	Manual
Max Inlet Water Temp (F):	120°F
Width:	9"
Height:	10.375"

51-S-2-M, Mechanical Water Feeder w/ LWCO Function w/ Manual Reset

SKU: 136000
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$755.95 / each

Free Shipping

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	75 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9.125"
Height:	10.375"

53, Mechanical Water Feeder

SKU: 136900
Brand: Mcdonnell & Miller

In Stock!

4 Avail (Ships in 24-48 Hrs)

$699.35 / each

Free Shipping

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	75 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9.125"
Height:	10.375"

53-B, Mechanical Water Feeder w/ Float Block

SKU: 137400
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$750.95 / each

Free Shipping

53-2, Mechanical Water Feeder / Low Water Cutoff

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	75 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Width:	9.125"
Height:	10.375"

53-2, Mechanical Water Feeder / LWCO

SKU: 137100
Brand: Mcdonnell & Miller

In Stock!

5 Avail (Ships in 24-48 Hrs)

$778.55 / each

Free Shipping

View Specs

Product Specifications
Application:	Hot Water Boilers
	Steam Boilers
Type:	Float-Style
Max Pressure:	150 psi
Max Vessel Pressure:	75 psi
Reset Type:	Manual
Max Inlet Water Temp (F):	120°F
Width:	9.125"
Height:	10.375"

53-2-M, Mechanical Water Feeder w/ No. 2 Flow Switch w/ Manual Reset

SKU: 137200
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$778.55 / each

Free Shipping

View Specs

Product Specifications
Application:	Steam Boilers
Type:	Electronic
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Voltage:	24v
Width:	6.875"
Height:	7.5625"
Feed Rate:	1.0
Max Ambient:	100°F

101A-24V, Electric Water Feeder (24V)

SKU: 169500
Brand: Mcdonnell & Miller

In Stock!

2 Avail (Ships in 24-48 Hrs)

$311.95 / each

Free Shipping

View Specs

Product Specifications
Application:	Steam Boilers
Type:	Electronic
Max Pressure:	150 psi
Max Vessel Pressure:	25 psi
Reset Type:	Automatic
Max Inlet Water Temp (F):	120°F
Voltage:	120v
Height:	7.5625"
Width:	6.875"

101A-120V, Electric Water Feeder (120V)

SKU: 169400
Brand: Mcdonnell & Miller

In Stock!

32 Avail (Ships in 24-48 Hrs)

$239.95 / each

1 - 20 of 35

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