Key Benefits Universal Compatibility: The 10K Type II thermistor element integrates seamlessly with most major DDC and building management systems

Using a switch with a higher opening point than the 165°F rating of the 38M07 can compromise system safety and lead to equipment damage

This 5-pack of replacement boiler fuses is engineered for a precise fit within the Weil McLain Ultra

for the most efficient millivolt transmission and cleanest installation

BASO H91BA-3C REVB Gas Valve 30067439-890 Key Benefits Universal Compatibility: TheThe BASO H91BA 3C REVB Gas Valve is a 120V 1 4" NPT electrically operated shutoff valve engineered for precision fuel management in high demand heating systems. As a veteran grade HVAC gas safety valve, the H91 Series is designed to automatically regulate flow based on demand signals from thermostats or controllers, supporting a maximum inlet pressure of 0. 5 psi. This direct replacement for H91BA 3 incorporates a Revision B modification specifically