Once surfaces are thoroughly wetted and allowed to air dry for 60 seconds

meaning it will close the circuit once the plenum temperature drops 25°F below the 150°F trip point

and Tempstar heating systems

it is technically best practice to install it in a position where gravity doesn't compete with the internal spring

Key Benefits OEM Compatibility: Guaranteed fit and function for Carrier

Nordyne 903110A Ignitor Kit Once surfaces are thoroughly wettedThe Nordyne 903110A Ignitor Kit is a critical replacement for gas fired furnace systems, specifically engineered to supersede older part numbers including 903110 and 9031100. This hot surface ignitor (HSI) features an upgraded silicon carbide element designed to withstand the thermal stress of repeated ignition cycles in high efficiency mobile home furnaces and standard residential air handlers. As a direct fit Nordyne furnace repair part, it includes