facilitating the removal of flue gases and supporting proper AFUE ratings in high-demand residential applications

Calibration is managed via the internal test port

The laser-welded stainless steel bellows and high-amperage contacts (20A @ 120/240V AC) are built for longevity in demanding industrial environments

integrating seamlessly with standard 2-wire or 3-wire ignition modules

installing an OEM thermistor replacement like the HH79NZ029 eliminates the calibration drift often found in universal components

Lochinvar & A.O. Smith 100233625 Gasket 322056-301 facilitating the removal of flueThe Lochinvar & A. O. Smith 100233625 Gasket is a critical copper tube sealing component engineered for high recovery commercial water heaters and hydronic boiler systems. This water tube gasket is designed specifically for a precision fit on Lochinvar SNR126, SNRA151, and SNR201 models, as well as NKC 110 199 (N,L) combi boilers. Featuring dimensions of 1. 2" OD x 0. 78" ID x 0. 13" Thickness, this high grade copper gasket provides a robust thermal