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This specific part number (-859 suffix) is generally rated for low-temperature applications up to 450°F
Simplified Installation: Includes the core LP gas conversion parts needed to modify the regulator without replacing the entire valve
Identified as a #48 orifice with a calibrated
A standard HVAC flaring tool is required to prep your tubing
McDonnell & Miller 324500 O-Ring This specific part number (-859Maintain precise system pressure and eliminate leak paths with the McDonnell & Miller 324500 Tetraseal O Ring. This pack of five high performance seals is the engineered replacement for the discontinued 324435 part number, ensuring a direct fit without the need for field modifications. Designed as a critical boiler control replacement part, these o rings are specifically optimized for low water cut off (LWCO) and mechanical water feeder assemblies.
