Lochinvar & A.O. Smith 100111922 Relief Valve 340155-7026 the M333A01 is the engineered

the M333A01 is the engineered direct replacement for the legacy Barber Colman M133A01 model

Universal Compatibility: Serves as a direct replacement for Heil Quaker

3-phase heaters typically require a 2-pole thermostat (like the HUHAAMT2) or must be wired to a 24V contactor system

this Class H high-temperature coil ensures stable continuous duty cycles and resistance to thermal degradation

The FP-02 is the bulk-packaged equivalent of the FP-02-1PK

Lochinvar & A.O. Smith 100111922 Relief Valve 340155-7026 the M333A01 is the engineeredThe Lochinvar & A. O. Smith 100111922 Relief Valve is a critical safety component designed for high demand commercial boilers and water heating systems. This heavy duty 1 inch relief valve is factory set at 50 PSI to provide reliable overpressure protection, preventing catastrophic vessel failure or system damage. As a genuine OEM replacement part, it ensures precise mechanical compatibility with Lochinvar and A. O. Smith equipment, maintaining the