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Field-replaceable design minimizes downtime during boiler maintenance and control upgrades
the 669568R TXV may be restricted or have lost its powerhead charge
this hardened stainless steel assembly ensures a tight
this mechanical component is built to withstand the high-pressure cycles common in commercial HVAC systems
System Protection: Prevents liquid slugging and excessive frost accumulation on the outdoor heat exchanger
Lennox 45L15 Orifice 326058-755 Field-replaceable design minimizes downtime duringThe Lennox 45L15 natural gas burner orifice is a critical precision component engineered for exact fuel metering in residential and commercial gas heating systems. Featuring a . 089 orifice diameter, this part is calibrated to maintain specific BTU input rates, ensuring stable flame patterns and optimal combustion efficiency. Designed as a direct Lennox OEM replacement part, it eliminates the performance variances often associated with generic furnace
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