Replacement Parts List

Ref # Rheem Part # Description
RTG-64X RTG-84X RTG-95X
RTG-64XL RTG-84XL RTG-95XL
1 RTG20212AD Control Board ● ● ●
RTG20235D Control Board ● ● ●
RTG20212BC Heat Exchanger Thermistor - Yellow ● ● ● ● ● ●
RTG20006BB Outlet Thermistor - Black ● ● ● ● ● ●
RTG20006AR Inlet Thermistor - White ● ● ● ● ● ●
RTG20006UW Ambient Thermistor - Blue ● ● ● ● ● ●
RTG20239M Thermistor Wiring Harness ● ● ● ● ● ●
2 RTG20212V Gas Valve Assy ● ● ● ● ● ●
RTG20212J Gas Control Resister ● ● ● ● ● ●
3 RTG20212W Burner Assembly ● ● ● ● ● ●
RTG20212BE Flame Rod “FL” (Right) w/gasket ● ● ● ● ● ●
RTG20212BD Igniter Rod (Right) w/gasket ● ● ● ● ● ●
RTG20212P Flame Rod Connector (White) ● ● ● ● ● ●
4 RTG20235C Igniter Coil ● ● ● ● ● ●
5 RTG20212AB Blower Motor ● ● ● ● ● ●
RTG20212AC Blower Case ● ● ● ● ● ●
6 RTG20212X Burner Manifold - NAT ● ● ●
RTG20235A Burner Manifold - NAT ● ● ●
RTG20212F Burner Manifold - LP ● ● ●
RTG20235B Burner Manifold - LP ● ● ●
7 RTG20164K Gas Inlet Connector ¾” ● ● ● ● ● ●
8 RTG20164L Water Control Valve ● ● ● ● ● ●
8a RTG20164M Water Bypass Valve ● ● ● ● ● ●
9 RTG20164J Water Inlet Connector ¾” ● ● ● ● ● ●
RTG20006AV Drain Plug with Relief ● ● ● ● ● ●
11 RTG20074CE Hot Water Outlet Connector ¾” ● ● ● ● ● ●
RTG20212U Remote Control Terminal ● ● ●
RTG20164AA Remote Control Terminal Block ● ● ● ● ● ●
RTG20164AB Screw Pan FT 4X12 ● ● ● ● ● ●
10 RTG20164AK Inlet Water Filter ● ● ● ● ● ●
13 RTG20212AZ Front Cover - No Labels or Branding ● ● ● ● ● ●
RTG20074EH Gas Shutoff Valve ¾” ● ● ● ● ● ●
RTG20186 Replacement Screw Kit ● ● ● ● ● ●
RTG20206 Replacement O-Ring Kit ● ● ● ● ● ●
Parts for RTG-64, RTG-84, RTG-95, X and XL Series
for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters | 25
See Pages 6 - 9 for additional Accessories, Manifold Systems, and Venting Options.