the HKA-15C is the official direct replacement for the older HKR-15C model

This housing is fabricated from high-grade galvanized steel to resist moisture-induced oxidation in high-humidity environments

the seal likely has lost its compression

the universal mounting flange simplifies field installation and serviceability

Reznor 197065 Gas Valve 326058-758 the HKA-15C is the officialThe Reznor 197065 Gas Valve is a technical grade, 2 stage propane gas valve engineered specifically for high output Reznor unit heaters. This 24v LP gas valve operates as a critical fuel regulation component, managing precise manifold pressure to ensure stable combustion stages in large scale heating applications. Designed with 3 4 inch FNPT inlet and outlet connections, the 197065 is the direct OEM replacement for Reznor UDAP, UDAS, UBX, and UDX