Standardized Fit: Utilizes 1/4" pilot tubing and a Type 3 mounting bracket for direct HVAC part replacement in existing furnace and boiler setups

providing the exact voltage regulation and terminal pin-out required for pin-to-pin compatibility

The burner tube is compatible with both

it is a reliable choice for HVAC zone control systems

Precise Pressure Management: Pre-set to 4" WC for natural gas

Conbraco 38-103-01 Breaker 321042-401 Standardized Fit: Utilizes 1/4" pilotThe 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