Reznor 197118 Kit Freon a high-temperature EPDM or PTFE

a high-temperature EPDM or PTFE seated valve from the ASCO 8220 series is generally recommended

or "pinched" sections that restrict flow

technicians can restore factory-spec timing for prepurge and trial-for-ignition cycles

Using it on an internal equalizer body will result in incorrect superheat readings and poor system performance

This OEM replacement motor

Reznor 197118 Kit Freon a high-temperature EPDM or PTFEThe 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