172809 Model 150S-M-HD McDonnell & Miller Head Mechanism
$1,195.60
The McDonnell & Miller #150S-M-HD Head MECHANISM
172809 (previously 173203)
Combination Low Water Cut-Off and Pump Controller with Snap Acting Manual Reset SPDT Switch Head Mechanism Only (Part Number 173203)
PRODUCT FEATURES
- Monel bellows provides corrosion resistance
- Snap action switches for high temperature service
- 1 Single pole, single throw switch for pump control
- 1 Single pole, double throw switch for low water
- Cut-off and alarm actuation
For commercial and industrial low or high pressure boiler applications and boilers of any steaming capacity.
Optional Features
- Manual reset
- 2 Single pole, single throw switches
- 2 Single pole, double throw switches
- Float block
- BSPT threads
- Maximum pressure 150 psi (10.5 kg/cm2)
- Model 150S-MD Maximum differential operation – Prevents nuisance burner shutdowns in low pressure applications
| Weight | 14 lbs |
|---|---|
| Dimensions | 17 × 9 × 8 in |
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