A Code 31 typically indicates the Carrier HK02NC047 failed to close

the single-pole

This 1/15 HP refrigeration fan motor serves as the direct replacement for Fasco 342 and AO Smith 342 models

GC Valve designs allow for the Class F solenoid coil to be replaced or swapped without breaking the 3/8" NPT pipe connections

Built with durability for the professional contractor

Lochinvar & A.O. Smith 100171946 Valve R-410A A Code 31 typically indicatesThe Lochinvar & A. O. Smith 100171946 Valve Gas Kit WH110 is a critical OEM replacement component engineered for high efficiency Knight WH110 wall mount boilers. This comprehensive kit includes the boiler gas valve assembly, a high performance venturi, and necessary gaskets to ensure a leak proof seal during installation. Designed for precise gas flow regulation, the 100171946 maintains the exact air to fuel ratio required for condensing boiler