Direct OEM Fit: Drop-in replacement for part numbers 0151R00078S and B12825171

Durable Solid-State Logic: Resists environmental interference and wear compared to older mechanical timing components

Whether you are handling natural gas

Key Benefits: Positive Shut-Off: Ensures 100% gas flow cessation when the system is not energized

Generic alternatives may lack the specific hydraulic-magnetic trip curve required to protect sensitive Carrier components

Lochinvar & A.O. Smith 100171926 Valve 319848-301 Direct OEM Fit: Drop-in replacementThe Lochinvar & A. O. Smith 100171926 Gas Valve Kit (SBN1500) is a critical OEM replacement part designed for high input commercial boilers and water heaters. Engineered for precision gas flow regulation, this negative pressure regulated gas valve ensures the correct air to fuel ratio across the entire firing range. It is specifically calibrated for the SBN1500 model series, providing the necessary BTU input stability required for high efficiency