The Dean 1896 Natural Gas Safety Control Model 7000 BMVR is a precision-engineered pressure-regulating device designed to ensure safe and stable gas flow in commercial and industrial heating systems. Operating at a setpoint of 3.5" WC (water column), it monitors incoming gas pressure and automatically modulates or shuts off supply if unsafe conditions such as overpressure, underpressu... https://partsfe.ca/1896-dean-gas-control