157S-MD, Float Type, Combo LWCO & Pump Controller w/ Water Column & Maximum differential (Steam)

For residential, commercial and industrial low or high pressure boiler applicationsSpecificationsFor boilers of any steaming capacityMonel bellows provides corrosion resistanceFloat chamber with integral water column providedSnap action for high temperature service-1 Single pole, single throw switch for pump control-1 Single pole, double throw switch for low water cutoff and alarm actuationPrevents nuisance burner shutdowns in low pressure applications,li>Maximum operating pressure 50 psi"