
Trane VAL12644 Gas Valve
The Trane VAL12644 Gas Valve is a genuine OEM two-stage gas valve engineered for critical applications in Trane and American Standard rooftop units and furnaces. This 24V gas valve features a 1/2" NPT inlet and outlet, designed specifically for split-system and packaged heat pumps or gas/electric configurations. As a high-performance HVAC replacement part, it provides precise two-stage gas control with factory-set pressure regulation—calibrated at 1.8" WC for low-fire and 3.5" WC for high-fire operations. The VAL12644 includes integrated side taps for easy manometer connection, ensuring accurate manifold pressure adjustments during commissioning. Field-tested for compatibility with YSC036, YSC048, and YSC060 series units, this valve ensures optimal combustion efficiency and combustion blower synchronization. For technicians maintaining commercial climate systems, utilizing this OEM Trane heating component is essential for meeting manufacturer specifications and maintaining the original equipment’s design flow rate and safety standards.
Technical Key Benefits:
- Precise Pressure Regulation: Dual-stage operation (1.8" Lo / 3.5" Hi) ensures stable flame characteristics across various demand loads.
- Drop-in OEM Compatibility: Specifically designed for YSC models, eliminating the need for manifold modifications or bracket adjustments.
- Integrated Diagnostic Ports: Built-in side taps allow for rapid verification of input and output gas pressures during service calls.
- NPT Configuration: Standard 1/2" x 1/2" female NPT connections provide a leak-tight, industry-standard interface for hard-piping or flexible connectors.
Common Service Questions:
Can I use the VAL12644 to replace a single-stage gas valve?
No, this is a two-stage gas valve designed for specific 24V control circuits that manage low and high heat calls. Wiring and manifold pressure requirements differ significantly from single-stage components.
Is this valve compatible with LP (Liquid Propane) conversion?
While this is a natural gas valve, it can typically be converted using the manufacturer-specified LP conversion kit. Always verify the orifice size and spring requirements for the specific Trane model number before conversion.
What are the symptoms of a failing Trane gas valve?
Common indicators include intermittent ignition failure, short-cycling during the transition to second-stage heating, or audible solenoid chattering. Always verify 24V at the coil before replacing.
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.
Original: $253.10
-65%$253.10
$88.58Trane VAL12644 Gas Valve
The Trane VAL12644 Gas Valve is a genuine OEM two-stage gas valve engineered for critical applications in Trane and American Standard rooftop units and furnaces. This 24V gas valve features a 1/2" NPT inlet and outlet, designed specifically for split-system and packaged heat pumps or gas/electric configurations. As a high-performance HVAC replacement part, it provides precise two-stage gas control with factory-set pressure regulation—calibrated at 1.8" WC for low-fire and 3.5" WC for high-fire operations. The VAL12644 includes integrated side taps for easy manometer connection, ensuring accurate manifold pressure adjustments during commissioning. Field-tested for compatibility with YSC036, YSC048, and YSC060 series units, this valve ensures optimal combustion efficiency and combustion blower synchronization. For technicians maintaining commercial climate systems, utilizing this OEM Trane heating component is essential for meeting manufacturer specifications and maintaining the original equipment’s design flow rate and safety standards.
Technical Key Benefits:
- Precise Pressure Regulation: Dual-stage operation (1.8" Lo / 3.5" Hi) ensures stable flame characteristics across various demand loads.
- Drop-in OEM Compatibility: Specifically designed for YSC models, eliminating the need for manifold modifications or bracket adjustments.
- Integrated Diagnostic Ports: Built-in side taps allow for rapid verification of input and output gas pressures during service calls.
- NPT Configuration: Standard 1/2" x 1/2" female NPT connections provide a leak-tight, industry-standard interface for hard-piping or flexible connectors.
Common Service Questions:
Can I use the VAL12644 to replace a single-stage gas valve?
No, this is a two-stage gas valve designed for specific 24V control circuits that manage low and high heat calls. Wiring and manifold pressure requirements differ significantly from single-stage components.
Is this valve compatible with LP (Liquid Propane) conversion?
While this is a natural gas valve, it can typically be converted using the manufacturer-specified LP conversion kit. Always verify the orifice size and spring requirements for the specific Trane model number before conversion.
What are the symptoms of a failing Trane gas valve?
Common indicators include intermittent ignition failure, short-cycling during the transition to second-stage heating, or audible solenoid chattering. Always verify 24V at the coil before replacing.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Trane VAL12644 Gas Valve is a genuine OEM two-stage gas valve engineered for critical applications in Trane and American Standard rooftop units and furnaces. This 24V gas valve features a 1/2" NPT inlet and outlet, designed specifically for split-system and packaged heat pumps or gas/electric configurations. As a high-performance HVAC replacement part, it provides precise two-stage gas control with factory-set pressure regulation—calibrated at 1.8" WC for low-fire and 3.5" WC for high-fire operations. The VAL12644 includes integrated side taps for easy manometer connection, ensuring accurate manifold pressure adjustments during commissioning. Field-tested for compatibility with YSC036, YSC048, and YSC060 series units, this valve ensures optimal combustion efficiency and combustion blower synchronization. For technicians maintaining commercial climate systems, utilizing this OEM Trane heating component is essential for meeting manufacturer specifications and maintaining the original equipment’s design flow rate and safety standards.
Technical Key Benefits:
- Precise Pressure Regulation: Dual-stage operation (1.8" Lo / 3.5" Hi) ensures stable flame characteristics across various demand loads.
- Drop-in OEM Compatibility: Specifically designed for YSC models, eliminating the need for manifold modifications or bracket adjustments.
- Integrated Diagnostic Ports: Built-in side taps allow for rapid verification of input and output gas pressures during service calls.
- NPT Configuration: Standard 1/2" x 1/2" female NPT connections provide a leak-tight, industry-standard interface for hard-piping or flexible connectors.
Common Service Questions:
Can I use the VAL12644 to replace a single-stage gas valve?
No, this is a two-stage gas valve designed for specific 24V control circuits that manage low and high heat calls. Wiring and manifold pressure requirements differ significantly from single-stage components.
Is this valve compatible with LP (Liquid Propane) conversion?
While this is a natural gas valve, it can typically be converted using the manufacturer-specified LP conversion kit. Always verify the orifice size and spring requirements for the specific Trane model number before conversion.
What are the symptoms of a failing Trane gas valve?
Common indicators include intermittent ignition failure, short-cycling during the transition to second-stage heating, or audible solenoid chattering. Always verify 24V at the coil before replacing.
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.












