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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
As a direct OEM replacement burner
Key Benefits Precise 30 mV Output: Consistently generates the voltage required to hold the gas valve open
This HVAC damper linkage part is built to withstand operational stresses
Whether you are performing a boiler replacement or a routine water heater repair
it replaces previous part numbers such as HH18HA279A and is compatible across a wide range of brands including Heil
Reznor 93973 Orifice As a direct OEM replacementMaintaining proper ignition in commercial unit heaters requires precise fuel metering, and the Reznor 93973 Nat Gas Pilot Orifice is the OEM standard for ensuring consistent natural gas flow. As a critical component within the pilot burner assembly, this precision drilled brass fitting regulates gas delivery to create the stable, bushy flame necessary to maintain thermocouple millivoltage. In the field, a clogged or worn orifice is often the primary