If it blows immediately upon startup

The "/U" suffix denotes a universal technician-ready packaging

ensuring reliable HVACR control board logic for your clients' seasonal systems

As a "less flange" (VLF) model

verify voltage compatibility with the existing electrical leads to ensure seamless field replacement and long-term reliability in the mechanical room

Conbraco 50-GB4-01A Valve R-407C If it blows immediately uponThe Apollo 50 GB4 01A is a commercial grade 3 4" bronze gas shutoff valve engineered for critical main burner applications. Constructed with an ASTM B584 bronze body and a chrome plated brass ball, this 2 piece valve provides the chemical resistance and structural integrity required for natural gas, LP gas, and mixed gas systems. As a full port gas ball valve, it ensures maximum flow capacity with a high rating of 1,258,000 BTU hr at 1" W. C. pressure