Integration with other series may result in improper stroke or seat loading

Dual-Section Performance: Houses both 40 MFD (compressor) and 3 MFD (fan) circuits for streamlined wiring and replacement

Enhanced thermal contact prevents overshoot and protects expensive system components from thermal stress

The unit features direct flame current measurement ports

This is an auto-reset model

Conbraco 37LF-201-01 Valve Integration with other series mayThe Conbraco 37LF 201 01 is a lead free 1 2" vacuum relief valve engineered for heavy duty commercial and residential water heating systems. This model is the direct replacement for 37 201 01, providing a seamless retrofit into existing piping layouts. Designed to automatically admit air into the supply system, it effectively prevents vacuum conditions that can lead to tank collapse or siphoning. It features a high 15 CFM venting capacity and is rated