Description
The Lennox 78L62 is an OEM two-stage LP (liquid propane) gas valve engineered for precise fuel delivery and reliable performance in Lennox heating systems. Designed with a 3/4″ connection and dual-stage pressure operation at 5.5″ and 10.5″ water column (WC), this valve provides accurate gas flow control for both low-fire and high-fire burner stages — improving efficiency and comfort in variable-demand heating applications.
As a genuine Lennox replacement part, the 78L62 ensures a direct-fit installation with no modifications required, maintaining the integrity and safety ratings of your original equipment.
Key Features
- Two-stage operation for optimized fuel delivery at low-fire and high-fire settings
- Rated for LP (liquid propane) gas applications
- Stage 1 pressure: 5.5″ WC
- Stage 2 pressure: 10.5″ WC
- 3/4″ gas connection for straightforward installation
- Genuine Lennox OEM replacement part
- Direct-fit design — no modifications required
Applications
- Lennox two-stage LP gas furnaces and heating systems
- Residential and light commercial heating equipment
Specifications
- SKU: 78L62
- Brand: Lennox
- Gas Type: LP (Liquid Propane)
- Valve Type: Two-Stage Gas Valve
- Stage 1 Outlet Pressure: 5.5″ WC
- Stage 2 Outlet Pressure: 10.5″ WC
- Connection Size: 3/4″
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