The Siemens ASK71

Key Benefits: Direct Replacement: Precisely engineered as the S1-024-24156-700 replacement for quick installation into compatible furnace housings

The 843757 is purpose-built for the EC-200 series

Common symptoms include frost buildup on the evaporator coil

Key Benefits: Precise Gas Flow Regulation: Ensures exact fuel delivery for peak combustion efficiency

Lochinvar & A.O. Smith 100110038 Gas Valve 340155-7026 The Siemens ASK71The Lochinvar & A. O. Smith 100110038 Gas Valve is a genuine OEM replacement engineered for high recovery commercial water heaters and boilers utilizing liquid propane (LP). This 10" WC LP gas control valve serves as the direct updated technical supersession for legacy part numbers 180192 002 and 37C72U 520. Designed for precise fuel to air ratios, the 100110038 ensures stable manifold pressure and reliable ignition cycles in high demand hydronic