is a critical bellows assembly and gasket replacement engineered for Series 150 and 157 low water cut-off (LWCO) and pump controllers

This precise timing prevents thermal stress on the heat exchanger and minimizes motor wear from unnecessary cycling

necessitating a new part to avoid damage to other heater control boards

monitoring the heat exchanger temperature to prevent overheating

Robertshaw 4075-029 Solenoid Valve Refrigerant is a critical bellows assemblyThe Robertshaw 4075 029 Solenoid Valve is a vital commercial cooking gas control engineered for high demand appliance environments. Designed as a normally closed gas valve, this unit ensures precise flow management for natural gas and LP systems. Operating on a 110 120V AC coil with a 5 watt draw, it features an integrated AC rectification circuit to provide silent, hum free operationcritical for professional kitchen settings. The 3 8" NPT pipe size