McDonnell & Miller 194 Controller 321894-708 frequent tripping of the thermal

frequent tripping of the thermal overload protector

What is the bore size

this unit provides sufficient power for modern smart thermostats and additional zone valves without overloading the secondary circuit

ensuring reliability in high-heat condenser housing

Industrial Durability: Bimetallic element and sturdy mechanical interface are designed to withstand vibration and heavy-duty cycling

McDonnell & Miller 194 Controller 321894-708 frequent tripping of the thermalAs a veteran HVACR technician, you know that maintaining precise water levels in high pressure systems isn't just about efficiencyit is about safety and equipment longevity. The McDonnell & Miller 194 Low Water Cut Off and Pump Controller (Part Number 166600) is the industry standard for commercial and industrial steam boilers, engineered to operate reliably in environments up to 250 PSI max pressure. This heavy duty combination LWCO and pump