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technicians can restore factory-spec timing for prepurge and trial-for-ignition cycles
Its multi-tap primary capability ensures high compatibility across various Trane and American Standard units
this high-grade synthetic gasket ensures a gas-tight interface between the manifold and the combustion chamber
including FAN3070 and FAN3126
Reznor 197118 Kit Freon technicians can restore factory-spec timingThe Reznor 197118 DJ20 High Altitude Kit is a critical field adjustment component for technicians servicing Reznor UDAP gas fired unit heaters installed at elevations between 2,001 and 6,000 feet. At higher altitudes, thinner air reduces the pressure differential required to safely prove the inducer motor's draft. This OEM Reznor kit replaces the standard factory settings with a specific DJ20 pressure switch calibrated to maintain the proper sequence