making it a drop-in HVAC replacement part for existing Enviro-tec control configurations

The 387210R replacement part features a smooth-bore interior that minimizes friction and static pressure

It is compatible with water or glycol solutions up to 60% concentration and offers a tight ANSI Class IV leakage rating to ensure maximum system efficiency and climate control accuracy

Simplified Integration: Standard terminal layout for fast installation

75-inch nominal diameter

Field Controls 46210701 Control R-407C making it a drop-in HVACThe Field Controls 46210701, designated as the Model 5" MG1, is a specialized double acting barometric draft control engineered specifically for gas fired applications. Designed to maintain stable draft conditions within the flue, this component manages atmospheric pressure variations to prevent pilot outages and combustion instability. With an adjustable range of . 01" WC to . 1" WC, it allows for precise field calibration to meet specific appliance