Manufactured to ASME B16

The recalibration screw is easily accessible behind a removable clear plastic lens

While cleaning carbon deposits with a fine emery cloth can provide a temporary fix

Designed to handle 208-230 Vac single-phase power at 60Hz

guaranteeing laboratory-tested safety clearances

Field Controls 01986501 Control Refrigerant Manufactured to ASME B16The Field Controls 01986501, also known as the Model 8" MG1, is a precision engineered 8 inch double acting barometric draft control designed specifically for gas fired appliances. This draft regulator maintains a consistent natural draft by automatically compensating for changes in atmospheric pressure and chimney temperature. Rated for high efficiency performance, it features an adjustable setting range from . 01" to . 1" water column (wc), ensuring