Description
The Lennox 28M95 is an OEM replacement gas valve based on the SV9520H SmartValve® platform, engineered to deliver reliable gas flow control in Lennox residential and light-commercial furnace applications. With a 1/2-inch pipe connection, a 3.5-inch water column (“WC) outlet pressure rating optimized for natural gas systems, and a 15-second prepurge period, this valve integrates seamlessly into compatible Lennox furnace control systems to ensure safe, consistent ignition sequencing.
Key Features
- OEM Lennox replacement gas valve (SKU: 28M95)
- Model SV9520H SmartValve® platform for integrated ignition and gas control
- 1/2″ NPT pipe connection for straightforward installation
- 3.5″ WC outlet pressure rating — calibrated for natural gas operation
- 15-second prepurge timing for safe ignition sequencing
- Designed for direct OEM replacement in compatible Lennox furnace systems
- Supports reliable, repeatable furnace startup cycles
Application
This gas valve is intended for use in Lennox furnaces that utilize the SV9520H-series integrated gas valve and ignition control. The 15-second prepurge period allows the heat exchanger and venting system to clear before ignition, reducing the risk of unsafe ignition events. The 3.5″ WC outlet pressure setting ensures proper fuel delivery to the burner assembly under normal operating conditions.
Installation Notes
- Verify compatibility with your specific Lennox furnace model before ordering
- Match inlet/outlet pipe size (1/2″) and outlet pressure setting (3.5″ WC) to existing system specifications
- Installation should be performed by a qualified HVAC technician in accordance with local codes and manufacturer guidelines
- Refer to the furnace service manual for wiring harness and control board compatibility
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