This genuine S1-025-39887-000 replacement part ensures the system meets original manufacturer delta-T and combustion efficiency specifications

you can always go up in voltage rating but never down

Industrial Durability: NEMA 1 rated zinc-plated steel enclosure protects the 6-32 screw terminals and internal mechanisms

Used with V-3752 Series

Dual-stage matrix blended fiber media maximizes surface area for extended service life and minimal pressure loss

Lochinvar & A.O. Smith 100327116 Gas Valve Freon This genuine S1-025-39887-000 replacement partThe Lochinvar & A. O. Smith 100327116 Gas Valve is a critical OEM replacement part designed for high efficiency commercial boilers and water heating systems. This 24V gas valve is factory calibrated for natural gas (NAT) applications, maintaining a precise 2. 7" WC manifold pressure to ensure stable combustion and optimal thermal efficiency. Featuring a standard 3 4" NPT inlet and outlet, this valve provides the high flow rates required by high BTU