The TE-631AM-1 uses a 1k ohm nickel element calibrated to 1000 ohms at 70

it features an exposed disc face for precise sensing and a manual reset mechanism (identifiable by the red color coding) to ensure the system remains locked out until a professional inspection is performed

but it requires an approved vent protector (such as the Maxitrol 13A25) to prevent moisture and debris from entering the vent port

Built with rugged components to withstand the high-heat environment of a heat exchanger exhaust

65" WC setpoint for accurate draft detection

Modine 3H0372760001 Conversion Kit Refrigerant The TE-631AM-1 uses a 1kThe Modine 3H0372760001 is a specialized LP to NAT Gas conversion kit designed for high efficiency thermal management in select Modine heating units. As the direct engineering replacement for legacy part number 3H37276 1 (also referenced as 53214), this kit is essential for contractors transitioning equipment from liquid propane to natural gas. The kit is specifically configured for compatibility with unit heater series including Modine HD75, HDS45,