For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) capacity with cold water feed. Quick-change replaceable cartridge valve and strainer. Optional features – No. 2 switch – Manual reset – Float block. Proportional feed action. Model 51 can be field upgraded with a No. 2 switch to add low water cut-off function. Maximum water supply pressure 150 psi (10. 5 kg/cm2). Maximum inlet water temperature 120°F (49°C). Maximum vessel pressure 35 psi (2. 5 kg/cm2). Made in the USA.
McDonnell & Miller Series 51-2 Mechanical Water Feeder/Low Water Cut-off 51-2, #2 Switch
$570.00 Original price was: $570.00.$91.99Current price is: $91.99.
SKU: McDonnell & Miller WBB916077 Categories: HVAC Hardware & Parts, Hydronic Hardware & Parts Tags: 135000, 150 psi psi, 35 psi, 51-2, HVAC & Fans, Low Pressure Steam And Hot Water Boilers With Cold Water Feed, McDonnell & Miller, Mechanical Water Feeders/Low Water Cut-off 51-2, #2 Switch
- Sustainable materials, for a better tomorrow.
- Efficiency meets excellence in customer care.
- Fast, friendly, always here to help.
- Buy Quality, Live Better

McDonnell & Miller Series 51-2 Mechanical Water Feeder/Low Water Cut-off 51-2, #2 Switch
| Weight | 35.7 lbs |
|---|---|
| Height | 10-3/8 in |
| Depth | 12 in |
| Type | Mechanical Water Feeders/Low Water Cut-off 51-2, #2 Switch |
| Max Vessel Pressure | 35 psi |
| Series | 51-2 |
| For Use With | Low Pressure Steam And Hot Water Boilers With Cold Water Feed |
| Max Water Supply Pressure | 150 psi psi |
| Manufacturers Part Number | 135000 |
| Max Inlet Water Temperature | 120°F (49°C) |
| Brand | McDonnell & Miller |
| Warranty | 1 yr |
Be the first to review “McDonnell & Miller Series 51-2 Mechanical Water Feeder/Low Water Cut-off 51-2, #2 Switch” Cancel reply
Related products
Sale!
HVAC Components
Sale!
HVAC Cleaning Equipment
SpeedClean CJ-125 – CoilJet®; Portable HVAC Coil Cleaner System, 125 PSI, 0.6 GPM
Sale!
Sale!
Sale!
Sale!
Sale!
HVAC Cleaning Equipment
Supco® Port-A-Blaster Coil Cleaning Machine – 0.25 GPM – 140 PSI
Sale!







Reviews
There are no reviews yet.