Enhanced Legibility: The 2

High Durability: Corrosion-resistant internal components and a high-Kv angled body optimize flow capacity and operational longevity

The AV-400 is specifically engineered for use with the MK-2690 pneumatic actuator series

ensuring accurate trip points and HVAC part reliability

which prevent premature wear in commercial heating and cooling assemblies

Lochinvar & A.O. Smith 100171949 Valve 326058-756 Enhanced Legibility: The 2The Lochinvar & A. O. Smith 100171949 Gas Valve Kit is a critical OEM replacement component engineered specifically for Knight WH285 wall mount boilers. This comprehensive kit includes the high precision gas valve assembly, integrated venturi, and necessary replacement gaskets to ensure a leak free seal and calibrated fuel to air mixture. As a veteran grade HVAC replacement part, it handles gas flow regulation with exacting tolerance, maintaining the