the MARS JARD series is rated for 50/60 Hz

SIN7LPIP-LE5

This kit provides all internal moving parts

this model is factory-set at 150 PSI

McDonnell & Miller 150S-MD-HD Controller THPU32HP7Y the MARS JARD series isThe McDonnell & Miller 150S MD HD (Part Number 173103) is a high performance combination low water cut off and pump controller head mechanism designed for demanding commercial and industrial steam boiler applications. This specific model features maximum differential operation, a critical function that prevents nuisance burner shutdowns in systems with fluctuating water levels or low pressure environments. By providing a wider 7 8 inch differential