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Whether you are performing a seasonal tune-up or troubleshooting a failing thermopile or sensor signal
When performing a HVAC 24V coil replacement
making it an ideal choice for controlling outdoor lighting
the Source1 furnace control circuit board adjusts system parameters in real-time to maximize efficiency and reduce component wear
Lennox 74W71 Manifold R-134A Whether you are performing aThe Lennox 74W71 Gas Manifold (OEM part 103087 02) is a precision engineered component designed for high efficiency fuel distribution in Lennox gas furnaces and select commercial rooftop units. As a direct fit HVAC replacement part, it ensures balanced gas flow to the burner assembly, mitigating pressure fluctuations that cause combustion instability and resonance noise. Constructed from aluminized steel, this manifold resists the high heat corrosion