OM/SM-TDH-CE
27
Parts List
(Keyed to Drawing on Page 26)
To order parts, contact your Groen Certified Service Agency. Supply the model designation, part description,
part number, quantity, and, where applicable, voltage and phase.
Key Description P/N
TDH-
Key Description P/N
TDH-
20 40 20 40
Gas Combustion Parts Electrical Parts
G25 Gas Conversion Kit (from G20) 128884 x 1 Pilot Ignition Controller 220V/240V 113060 x x
G25 Gas Conversion Kit (from G20) 128885 x 2 Screw hex washer #8-32x3/8" [5] 069789 x x
Gas Valve & Piping Assy (Complete) 113065 x x 3 Water Level Sensor Relay 117737 x x
1 90º Street Elbow 1/2" NPT (black) 004185 x x 4 Base, Relay Socket 117738 x x
2 Union Elbow 1/2" NPT (black) 005495 x x 5 Screw, rd head 6-32 x1" lg [2] 012631 x x
3 Nipple Close 1/2"BSPTx1/2"NPT [2] 116394 x x 6 Terminal Block (3 pole) 003119 x x
4 90º Elbow 1/2" NPT (black) 008747 x x 7 Screw, rnd hd #8-32x5/8" lg [2] 007526 x x
5 Nipple, 1/2" NPT x 8" long (black) 005557 x x 8 Label, Supply Voltage 114316 x x
6 Gas Valve (Natural & Propane) 114505 x x 9 Panel, electrical mounting 117726 x x
7 Nipple, 1/2" NPT x 2" long 005551 x x 10 Fuse Holder 077854 x x
8 Bushing, Reducing, 1/2" x 3/8" NPT 012355 x x 11 Screw, rd hd #6-32 x 1/4" lg 018384 x x
9 Connector, 3/8" MNPT x 1/4" Tube 054498 x x 12 Fuse, Three Amp (250V) 079965 x x
10 Tee, 1/2" NPT (black) 008772 x x 13 Label, “3 Amp (Fast Blow Only)” 102251 x x
12 Nipple, 1/2" 1/2" Close BT 008877 x x 14 Electrical Panel Assembly complete 113069 x x
13 Gas Test Nipple 117051 x x -- Equipotential Terminal Assembly 122021 x x
14 Bushing, Reducing 1/2" x 1/8" NPT 088290 x x -- Light, Indicator, Red 116381 x x
15 Adapter 1/8" f. BSPx1/8" m. NPTF 122087 x x -- Light, Indicator Amber 116382 x x
-- Burner & Manifold Assy (G20 Gas) 113066A x -- Switch, Pushbutton, Momentary 122003 x x
-- Burner & Manifold Assy (G20 Gas) 113068A x -- Switch, Toggle 122004 x x
-- Manifold Assembly 040822 x -- Wire Harness 113081 x x
-- Burner Jets (1.09 mm) for G20 [12] 091845 x
-- Manifold Assy w/burner jets G20 097054C x
-- Burner Jets (0.94 mm) for G20 [8] 127562 x
-- Pilot Burner & Orifice Assy G20/G25 117700 x x
-- Pilot Tubing 113088 x x
-- Sensing Probe (pilot) 003328 x x
-- Connector 3/8"MNPTx1/4" tube 054498 x x
-- Adapter, gas 1/2" BPST x 1/2"NPT 116390 x x
-- Flue Stack Assembly 090686 x
-- Flue Stack Assembly 093605 x
-- Gas Inlet Valve 098458 x x
“[n]” = Quantity required
“–“ = Item not shown or called out in illustrations
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