McDonnell Miller - Series 51 Low-Water Cut-off

For low pressure steam and hot water boilers larger than 5,000 Sq. Ft. capacity with cold water feed.

Quick change replaceable cartridge valve and strainer.
Proportional feed action.
Maximum water supply pressure 150 psi.
Maximum pressure 35 psi.

Replacement Heads
Model Number	Part Number	Description	Weight lbs.	Price
51-HD	134900	Replacement Head for 51	17	$730.00
Ordering Information
Model Number	Part Number	Description	Weight lbs.	Price
51	134700	Mechanical water feeder	35.3	$840.00
51-B	134800	51 w/ float block	38.5	$Call
51-B-2	135900	51-B w/ No. 2 switch	38.3	$Call
51-B-2-M	135500	51-B-2 w/ manual reset	38.3	$Call
51-2	135000	51 w/ No. 2 switch	35.8	$960.00
51-2-M	135200	51-2 w/ manual reset	35.7	$960.00
Replacement Parts (View parts cut sheet)
Model Number	Part Number	Description	Weight lbs.	Price
2	110000	#2 Low water cut-off switch	1	$129.00
2-M	110100	#2 w/ Manual Reset	1	$129.00
F-26	304100	Head Gasket (6 Pack)	1	$52.80
SA51-101-102	342500	Valve and Strainer Assembly	3	$280.00
SA101-38	347100	Strainer Basket Assembly	0.7	$44.50

Contact Us Directly:

Toll Free: 1-800-780-3776
Int'l Phone: 770-957-9599
Int'l Fax: 770-957-9563
E-Mail: Email Your Request

Mailing Address: Power Plus International
143 McDonough Parkway
McDonough, GA 30253