Lochinvar & A.O. Smith 100171722 Gas Valve

The Lochinvar & A.O. Smith 100171722 Gas Valve is a critical 1-1/2" 24V main gas valve engineered for high-input commercial boiler applications. This genuine OEM Lochinvar replacement part, also identified as VAL2044, manages gas flow with professional-grade precision to maintain combustion stability and thermal efficiency. Designed for heavy-duty service, this valve is a direct drop-in for Lochinvar Copper-Fin and PowerFin series, ensuring your gas train maintains its original engineering specifications and safety certifications. Contractors should verify the 1-1/2 inch NPT connection and 24V coil requirements before installation to ensure seamless integration with the existing boiler control circuit.

This boiler gas control valve is compatible with a wide range of high-capacity units, including PowerFin PB 2000, PF 2000, Copper-Fin CB 3080, and CW 3080 models. Whether you are performing a corrective repair on an IB 2000 or routine maintenance on a PF 1000, utilizing the 100171722 gas valve guarantees the correct pressure drop and flow rate required for consistent burner performance across various modulation ranges.

Key Benefits for Technicians

• Direct OEM Replacement: replaces VAL2044 and 100171722, eliminating the need for field modifications or bracket adjustments.
• High-Flow Capacity: The 1-1/2" connection size is optimized for high-BTU commercial boilers requiring steady fuel delivery.
• Broad Compatibility: Fits Lochinvar PowerFin, Copper-Fin CS, and A.O. Smith commercial boiler series effectively.
• Reliable 24V Operation: Designed for standard 24VAC control systems found in most commercial hydronic heating layouts.
• Industrial Build Quality: Built to withstand the high-cycle demands of commercial heating environments.

Common Questions

Is the 100171722 compatible with both natural gas and propane systems?
This valve is typically configured for specific fuel types; always verify the orifice and spring settings for your specific gas supply (NG or LP) against the boiler nameplate before commissioning.

How do I verify if this valve is a direct swap for VAL2044?
The Lochinvar 100171722 is the updated manufacturer part number and is technically identical to the VAL2044, fitting the same physical footprint and electrical specs.

What are the symptoms of a failing 1-1/2" main gas valve?
Common indicators include delayed ignition, failure to prove flame due to insufficient gas pressure, or the solenoid failing to open despite receiving 24V from the ignition module.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.