McDonnell & Miller 150SM 157SM
For commercial and industrial low or high pressure boiler applications
For boilers of any steaming capacity
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
McDonnell & Miller 150SM 157SM
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
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