Replacing the defective HVAC thermistor with this OEM part typically resolves sensor-related fault codes

Regulatory Compliance: Allows for safe LP to natural gas conversion while maintaining the valve’s original slow or standard opening characteristics

This cover is proprietary to the Johnson Controls T-4000 series

This cover is optimized for the Honeywell 14004406 series and related pneumatic models like the TP970

shutting down the compressor at 27 PSI to prevent catastrophic mechanical failure

Robertshaw 41-404 Hot Surface Ignitor Replacing the defective HVAC thermistorThe Robertshaw 41 404 Hot Surface Ignitor is a service ready, high purity recrystallized silicon carbide furnace ignitor engineered for rapid thermal response in residential and light commercial heating applications. This Norton 271M replacement features a Style C ceramic block and is factory rated to reach HSL ignition temperatures within 17 seconds at 120V AC. Designed for maximum conductivity, the unit includes 18 gauge nickel chrome lead wires