RheemPartsGuide Rheem Tankless Parts Guide
User Manual: Rheem-Tankless-Parts-guide
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To place your order call 1-800-268-6966; fax 1-800-200-5393
10
RHEEM TANKLESS SERVICE PARTS LIST
Indoor Tankless
Gas Water Heater
RHEEM TANKLESS SERVICE PARTS LIST
Part Number Description List Price Fuel RTG74 GT-199
AP9013G Temperature & Pressure Relief Valve • •
RTG20000L O-ring P-16 EPT • •
RTG20002A 10 ft. condensate drain tube hose kit • •
RTG20006AA Igniter Assy • •
RTG20006AC Electrode • •
RTG20006AD Electrode • •
RTG20006AE Isolated Tube • •
RTG20006AF Hot Water Outlet Connector3/4 • •
RTG20006AL Water Inlet Connector Assy 3/4NPT • •
RTG20006AN Gas Inlet Connector Assy 3/4 • •
RTG20006AP O-ring P-10 • •
RTG20006AR Thermistor • •
RTG20006AS Drain Valve Assy • •
RTG20006AT O-ring P-8 • •
RTG20006AU Water Control Assy •
RTG20006AW Safety Valve Assy (Drain Valve A) • •
RTG20006AY O-ring P-6(EPT) • •
RTG20006BB Thermistor • •
RTG20006BC Thermistor • •
RTG20006BE O-ring P-12.7 EPT • •
RTG20006BV Thermistor Assy • •
RTG20006BW FR Connector Cord Assy • •
RTG20006BY Over Heat Limiter Assy • •
RTG20006C Filter Assy • •
RTG20006CA Burner Control Assy •
RTG20006CB Transformer Assy • •
RTG20006CC Fan Assy • •
RTG20006CG Thermostat Assy • •
RTG20006CJ Filter SW Connector Cord Assy • •
RTG20006CK Filter SW Assy • •
RTG20006CM Wiring Assy A • •
RTG20006CN Signing Connector Cord Assy • •
RTG20006CP Relay Cord Assy • •
RTG20006DF Gas Connector LP 0-2000feet LP •
RTG20006DG Gas Connector NAT 0-2000feet NAT •
RTG20006DK Gas Connector LP 2000+ feet above sea level LP •
RTG20006DM Gas Connector NAT 2000+ feet above sea level NAT •
RTG20006DU Rheem Bath1 Control (This comes with product) •
RTG20006DV Rheem Bath2 Control (For additional remotes) •
RTG20006DW Rheem Main Control (Allows temps. To 140 deg F) •
RTG20006F Gas Control Valve Assy • •
RTG20006G O-ring P-26 • •
RTG20006JA Water Control Assy •
RTG20006JF High altitude chip LP 2000+ feet above sea level LP •
RTG20006JG High altitude chip NAT 2000+ feet above sea level NAT •
RTG20006K Upper Burner Assy • •
RTG20006N Lower Burner Assy R LP • •
RTG20006P Lower Burner Assy R NAT • •
RTG20006T Lower Burner Assy L LP • •
RTG20006U Lower Burner Assy L NAT • •
RTG20009 18 AWG thermo. wire for remote control connection • •
Waterproof
Remote Control
$13.00
$6.00
$42.00
$52.00
$9.00
$7.00
$7.00
$24.00
$25.00
$12.00
$6.00
$24.00
$14.00
$6.00
$225.00
$16.00
$8.00
$22.00
$22.00
$6.00
$10.00
$12.00
$28.00
$30.00
$400.00
$44.00
$245.00
$16.00
$8.00
$18.00
$24.00
$10.00
$24.00
$25.00
$25.00
$25.00
$25.00
$168.00
$168.00
$168.00
$190.00
$6.00
$190.00
$25.00
$25.00
$380.00
$80.00
$80.00
$60.00
$60.00
$25.00
RESIDENTIAL The premium line of approved replacement parts.
RESIDENTIAL MODELS:
RTG-74PVN
RTG-74PVP
COMMERCIAL MODELS:
GT-199PVN
GT-199PVP
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

To place your order call 1-800-268-6966; fax 1-800-200-5393
11
RHEEM TANKLESS VENTING PARTS LIST
All tankless water heater venting material is made from Category III stainless steel for durability and safety. All components are UL 1738 certified.
Part Number Description
RTG20011 4” Installation Vent Kit (Stainless Steel Components) -
for horizontal termination only
Fits models RTG-74PV and GT-199PV
Kit includes: • (1) Adapter - RTG20002B
• (2) 90 degree elbows - RTG20002E
• (1) 12” length vent pipe - RTG20002C
• (1) 2-piece round wall thimble plate - RTG20002N
• (1) 2-piece 6”-19” adjustable length pipe - RTG20002L
• (1) 90 degree termination elbow with vent screen - RTG20002F
• (1) 18 AWG, 2 conductor thermostat wire for remote control
connection - RTG20009
4” VENTING PARTS
RTG20002B Vent adapter
RTG20002C 12" length vent pipe
RTG20002D 37.5" length vent pipe
RTG20002E 90 degree elbow
RTG20002F 90 degree termination elbow with vent screen
RTG20002G Conduit tee
RTG20002J Tee cover with drain
RTG20002K Horizontal/vertical in-line drain
RTG20002L 2-piece 6"-19" adjustable length pipe
RTG20002M Screen termination
RTG20002N Round face 2-piece horizontal wall thimble
RTG20002R 45 degree elbow
RTG20002S 24" length vent pipe
RTG20002T 2" clearance horizontal support
RTG20002U Support clamp
RTG20002V Pitched cone vent flashing for vertical termination
RTG20002W Roof jack support system for vertical termination on flat roof
RTG20002X Storm collar
RTG20002Y Rain cap w/ storm collar for vertical vent termination
RTG20002Z 16" x 16" fire stop
90 Degree
Elbow
2-Piece Horizontal
Wall Thimble
Screen
Termination
Adapter
(required for all
installations)
Horizontal/Vertical
In-Line Drain
37.5” Length
Vent Pipe
List Price
$50.00
$50.00
$80.00
$75.00
$85.00
$72.00
$44.00
$68.00
$58.00
$40.00
$48.00
$82.00
$56.00
$30.00
$20.00
$110.00
$240.00
$24.00
$105.00
$86.00
$450.00
RESIDENTIAL The premium line of approved replacement parts.
TANKLESS GAS VENTING PARTS LIST