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the S1-031-00878-003 maintains system efficiency and prevents component icing
the spring provides the physical force required to regulate any compatible inert gas used within the Sensus 243-8 service regulator body
preserving standard operating temperatures
Common HVACR Contractor Questions What is the primary function of the 52-inch insertion length
specialized linkage kits are available for adapting this motor to Centra
Reznor 197117 Kit 340155-7024 the S1-031-00878-003 maintains system efficiencyThe Reznor 197117 Kit is an essential DJ20 high altitude kit engineered for Reznor unit heater models UDAP, UDAS, UDBP, and UDBS (sizes 30 125). High elevation installations over 6,000 feet require a precise adjustment to the air fuel mixture to compensate for decreased atmospheric density and prevent incomplete combustion or safety circuit tripping. This OEM replacement part includes a specialized pressure switch, often identified by a purple label,