Direct Replacement: Designed as a direct OEM fit for Schneider Electric and Barber Colman control systems

This bracket is specifically hole-patterned for Belimo NMB(X) and NM series

a vent protector is typically recommended to keep debris and moisture out of the vent port

For standard North American 60 Hz residential power

"hunting" for position

Field Controls 02715901 Control R-410A Direct Replacement: Designed as aThe Field Controls 9" MG1 (part number 02715901, also listed as 2715901) is a precision engineered double acting barometric draft control designed specifically for gas fired appliances. This 9 inch draft regulator maintains consistent draft pressure by compensating for changes in stack temperature and atmospheric conditions. It provides critical ventilation stability for gas burners, featuring an adjustable range from . 01" to . 1" water column (w.