this shaft provides a direct fit for Lennox high-efficiency blowers found in KCA

Mounting the valve in an inverted position can interfere with the diaphragm operation and internal regulator spring tension

most manufacturers of variable speed equipment require specific communication protocols

Compatibility should be confirmed by matching the model and serial number of the indoor unit

preventing water hammer and energy loss

Nordyne 104376003R Pilot Assembly 318518-761 this shaft provides a directThe Nordyne 104376003R LP Pilot Assembly is a critical OEM component designed for high performance ignition in liquid propane fired Nordyne HVAC equipment. As a direct factory replacement, this assembly ensures the precise flame rectification and safety parameters required by technical service manuals. Built for rigorous duty cycles, the 104376003R maintains a stable pilot flame to prevent nuisance lockouts and intermittent ignition failures often