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replacing a drifting or failed limit control with a genuine HH18HV131 ensures the system maintains ANSI safety standards and peak heating efficiency
The assembly is built to withstand high-temperature cycles
Provides a broad 10-100 PSI delivery pressure range
handling up to 505
ensuring seamless fit and functional continuity
Lennox 54M90 Orifice 328140-751 replacing a drifting or failedThe 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