it is a reliable choice for HVAC zone control systems

The burner tube is compatible with both

This motor requires a 4 MFD / 370V run capacitor for proper startup and efficiency

and auxiliary heat signal simultaneously

Conbraco 38-103-01 Breaker 321042-401 it is a reliable choiceThe Conbraco 38 103 01 Breaker is a professional grade 1 2 inch FNPT atmospheric vacuum breaker engineered for high reliability back siphonage prevention in potable water systems. Built as part of the Apollo 38 100 series, this valve features a rough brass finish and a durable bronze body construction, making it a staple for commercial and industrial plumbing applications. Designed to handle a maximum operating pressure of 125 psig and temperatures