Simplified Diagnostics: Standard 1/4" quick-connect terminals and vacuum port allow for rapid installation and manometer testing

minimizing mechanical vibration and wear

maintaining system safety and efficiency in commercial boilers

or chemical degradation from process media

Common Questions Is this relay compatible with 24V control circuits

Watts 0383542 Valve R-410A Simplified Diagnostics: Standard 1/4" quick-connectIf you are servicing high output boiler systems, the Watts 0383542 (Model 740 1 1 2 30) is a critical safety component designed for emergency pressure relief. This high capacity water pressure relief valve features a rugged 1 1 2 inch FNPT inlet and an expanded 2 inch FNPT outlet, specifically engineered to handle massive discharge volumes in hot water space heating applications. With a fixed pressure setting of 30 PSI and a substantial steam relief