McDonnell Miller - Series 51-2

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

No. 2 cut-off switch.
Optional features - manual reset & float block.
Maximum water supply pressure 150 psi.
Maximum pressure 35 psi.

Replacement Heads
Model Number	Part Number	Description	Weight lbs.	Price
51-2-HD	135100	Replacement Head for 51-2	18.3	$850.00
Ordering Information
Model Number	Part Number	Description	Weight lbs.	Price
51-2	135000	Mechanical water feeder w/ No. switch	35.8	$960.00
51-2-M	135200	51-2 w/ manual reset	35.7	$960.00
51-B-2	133900	51-2 w/ float block	38.3	$750.00
51-B-2-M	135500	51-B-2 w/ manual reset	38.3	$Call
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

McDonnell Miller Series 51-2 Drawings

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