Replacement Parts List
Ref # Rheem Part # Description RTG-53DV
1 RTG20074DU Control Board ●
RTG20006CS Control Board Fuse (5A) ●
RTG20074EE Power Line Fuse (3A) ●
2 RTG20074AH Gas Valve LP ●
RTG20074GH Gas Valve NAT ●
3 RTG20074AS Burner Assembly LP ●
3 RTG20074AT Burner Assembly NAT ●
RTG20074DR Flame Rod Wire - White ●
RTG20074DS Flame Rod Wire - Red ●
4 RTG20074DM Igniter Coil ●
RTG20074DN Flame Rod ●
RTG20074DL Igniter Electrode ●
5 RTG20074DB Fan Assembly ●
6 RTG20074BA Burner Manifold ●
8 RTG20074BT Water Control Valve ●
RTG20006AR Inlet Thermistor - White ●
RTG20006BB Outlet Thermistor - Black ●
RTG20006BC Heat Exchanger Thermistor - Yellow ●
RTG20074CY Ambient Thermistor - Blue ●
9 RTG20006AL Water Inlet Connector ¾” ●
10 RTG20006AS Inlet Water Filter ●
11 RTG20074CE Hot Outlet Connector ●
RTG20006AW Drain Relief Valve ●
RTG20074AA Mounting Brackets ●
RTG20074EH Gas Shutoff Valve ¾” ●
RTG20074GJ Gas Inlet Connector ¾” LP ●
RTG20074GK Gas Inlet Connector ¾” NAT ●
RTG20074Y Mounting Brackets ●
RTG20006CW Door Screw ●
RTG20006CZ Chassis Screw ●
RTG20074AA Mounting Brackets ●
RTG20074EH Gas Shutoff Valve ¾” ●
RTG20186 Replacement Screw Kit ●
RTG20206 Replacement O-Ring Kit ●
Parts for 53DV series (out of production)
for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters | 27