it guarantees that the burner flame profile and heat exchanger thermal transfer remain within original design parameters after the fuel source switch

Is this TXV compatible with R-22 systems

Does this fit Spark Ignition or Hot Surface Ignition models

The unit features an integrated override button

Lochinvar & A.O. Smith 100108828 Gas Valve 321042-401 it guarantees that the burnerThe Lochinvar & A. O. Smith 100108828 Gas Valve is a critical replacement component engineered for high efficiency hydronic boilers and commercial water heaters. This 120V gas valve operates with a 1 2 inch NPT inlet outlet configuration and is factory calibrated for natural gas applications at a 4. 0" W. C. manifold pressure. Designed to integrate seamlessly with Lochinvar Knight and A. O. Smith Cyclone series units, this valve ensures precise gas