Industrial Durability: Die-cast aluminum construction reduces weight while maintaining structural integrity in HVACR gas trains

This 50VA control transformer provides reliable step-down performance

this kit provides a drop-in solution that restores factory-spec economizer operation

providing a reliable solution for complex troubleshooting scenarios where system logic or voltage regulation has degraded

10-foot lead length allows for optimal placement away from heat-generating components to avoid false readings

Field Controls 01804401 Control 321042-401 Industrial Durability: Die-cast aluminum constructionThe Field Controls 01804401 (Model 7" MG1) is a high precision double acting barometric draft control engineered specifically for gas fired heating systems, including furnaces, boilers, and conversion burner applications. This 7 inch draft regulator is an essential component for maintaining combustion stability and preventing backdrafting by automatically compensating for fluctuations in barometric pressure and stack temperature. Technical field data