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