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Its single-pole single-throw (SPST) configuration is rated for up to 10 A at 120 VAC
the 669555R valve stabilizes system performance
Always verify the MFD rating on the old part's label before installation
R410A Compatibility: Specifically calibrated for high-pressure R410A refrigerant applications
Lennox 54M90 Orifice 321042-401 Its single-pole single-throw (SPST) configurationThe Lennox 54M90 LP Orifice is a critical metering component designed for precise gas to propane conversion in compatible Lennox heating units. Engineered for durability and high tolerance performance, this 0. 034 inch orifice ensures steady pressure regulation and fuel flow, preventing common combustion issues such as soot buildup or irregular flame patterns. For contractors performing a Lennox furnace LP conversion, using OEM spec orifices is
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