The unit features an integrated override button

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

Simplified Integration: Standard 1" male NPT inlet and 1" female NPT outlet allow for direct installation into tank tappings or hot water outlets

Is the coil suitable for outdoor installation

Lochinvar & A.O. Smith 100108828 Gas Valve 321042-401 The unit features an integratedThe 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