Replacement Parts List

Ref # Rheem Part # Description
RTGH-84DVLN-1 RTGH-90DVLN-1 RTGH-95DVLN-1
1 RTG20239AC Control Board ● ● ●
RTG20006AR Inlet Thermistor - White ● ● ●
RTG20212BC Heat Exchanger Thermistor - Yellow ● ● ●
RTG20006BB Outlet Thermistor - Black ● ● ●
RTG20006UW Ambient Thermistor - Blue ● ● ●
RTG20223L Vent High Temperature Limit Switch ● ● ●
RTG20239M Thermistor Wiring Harness ● ● ●
2 RTG20239AY Gas Control Valve ● ● ●
RTG20239AD Gas Control Wiring Harness ● ● ●
3 RTG20235AD Burner Assembly ● ● ●
RTG20235C Igniter Coil ● ● ●
RTG20212BD Igniter Rod (IG) (with gasket) ● ● ●
4 RTG20212K Blower Motor ● ● ●
RTG20223K Blower Case ● ● ●
5 RTG20235W Burner Manifold - LP ● ● ●
5 RTG20239AA Burner Manifold NAT ● ● ●
RTG20212BE Flame Rod FL-1 (with gasket) ● ● ●
RTG20235AX Flame Rod Wire (White) ● ● ●
RTG20212BF Flame Rod FL-2 (with gasket) ● ● ●
RTG20223M Flame Rod Wire (Blue) ● ● ●
6 RTG20164K Gas Inlet Connector ¾” ● ● ●
7 RTG20164L Water Control Valve ● ● ●
RTG20235X Bypass Assembly ● ● ●
8 RTG20164J Water Inlet Connector ¾” ● ● ●
9 RTG20164AK Inlet Water Filter ● ● ●
10 RTG20074CE Hot Water Outlet Connector ¾” ● ● ●
11 RTG20164AA Remote Control Terminal Block ● ● ●
RTG20212U Remote Control Terminal ● ● ●
12 RTG20239AX Neutralization Replacement Kit ● ● ●
13 RTG20239Z Front Cover - No Labels or Branding ● ● ●
14 RTG20223Y Exhaust Vent Outlet Connector - PVC ● ● ●
15 RTG20223X Air Intake Inlet Connector - PVC ● ● ●
RTG20074EH Gas Shutoff Valve ¾” ● ● ●
RTG20186 Replacement Screw Kit ● ● ●
RTG20206 Replacement O-Ring Kit ● ● ●
RTG20235AB Thermostat Assembly ● ● ●
Parts for RTGH-84DVLN-1, RTGH-90DVLN-1, RTGH-95DVLN-1 Series
for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters | 11
See Pages 6 - 9 for additional Accessories, Manifold Systems, and Venting Options.