McDonnell & Miller Series 150S Low Water Cut-Off/Pump Controller Mechanical For Steam Boilers

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. 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). Made in the USA.