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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
this component integrates a gas cock
this OEM furnace part facilitates maximum heat transfer across its six-passage geometry
and differential pressure
or a loose electrical connection causing excessive heat at the breaker terminals
Key Benefits Stable High Limit Control: Specifically calibrated for reverse acting logic to prevent setpoint drift in mission-critical high-limit loops
Lennox 79L57 Orifice 328140-751 this component integrates a gasThe Lennox 79L57 is a critical Natural Gas Burner Orifice engineered specifically for high efficiency Lennox gas furnaces and heating units. This genuine OEM replacement part is precision machined to deliver an exact BTU output by regulating the volumetric flow of natural gas to the burner assembly. Using a Lennox 79L57 Orifice ensures your manifold pressure aligns with factory specifications, preventing issues like incomplete combustion, soot
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