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The Xylem McDonnell & Miller 172809 Model 150S-M-HD is a replacement head mechanism with a snap-action, manual reset switch. This component is designed to repair Series 150S and Series 157S combination low water cut-offs and pump controllers for steam boilers. It facilitates a complete rebuild of the low water cut-off and pump controller without requiring removal of the casting from the piping. Suitable for commercial and industrial low or high pressure boiler applications, it features a maximum pressure of 150 PSI (10.5 kg/cm2).
Allows complete rebuild of combination low water cut-off and pump controller without removing casting from piping.
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