Parts List
SECTION 1: Serial Numbers "XF-" (June 2021 and Later) with -NDD Designator
A
PPLIES TO PAGES: 3 THROUGH 12
Model Model Model Model
Item Description UCG100H1993N UCG100H1993X UCG100H2703N UCG100H2703X
1A Blower w/Gasket 415-48922-00 415-48922-00 415-51428-00 415-51428-00
2A Blower Transiton Gasket 239-43241-00 239-43241-00 239-43241-00 239-43241-00
3A Venturi & Gas Valve Assembly 265-54262-02 265-54263-02 265-54262-03 265-54263-03
4A Ground Wire 239-51994-00 239-51994-00 239-51994-00 239-51994-00
5A Washer - #10 Lockwasher (req'd) 239-18461-00 239-18461-00 239-18461-00 239-18461-00
6A Venturi Gasket ◊ 239-44654-00 239-44654-00 239-44654-00 239-44654-00
7A Gas Piping Assembly 243-50524-00 243-50524-00 243-50524-00 243-50524-00
8A Screw 10-32 x .75 Skt Head Cap (4 req'd) 239-43273-00 239-43273-00 239-43273-00 239-43273-00
9A Transition Tube Blower to Burner 239-43201-00 239-43201-00 239-43201-00 239-43201-00
10A Screw - #8-32 x 1/4 (4 req'd) 239-43272-00 239-43272-00 239-43272-00 239-43272-00
11A Flame Sensor 415-43232-00 415-43232-00 415-43232-00 415-43232-00
12A Gasket Flame Sensor 239-43371-00 239-43371-00 239-43371-00 239-43371-00
13A Igniter 415-49655-00 415-49655-00 415-49655-00 415-49655-00
14A Gasket Igniter 239-43370-00 239-43370-00 239-43370-00 239-43370-00
15A Nut Hex Washer (4 req'd for Trans Tube) 239-43297-00 239-43297-00 239-43297-00 239-43297-00
16A Gasket Burner (2 req'd)● 239-43246-00 239-43246-00 239-43246-00 239-43246-00
17A Burner 265-53033-00 265-53033-00 265-53033-00 265-53033-00
18A Burner Mounting Assembly 239-43167-00 239-43167-00 239-43167-00 239-43167-00
19A Combustion Assembly Gasket 239-43197-00 239-43197-00 239-43197-00 239-43197-00
20A Screw 5/16-18 x 3/4 (5 req'd) 239-32970-00 239-32970-00 239-32970-00 239-32970-00
21A Burner Assembly * 265-50527-00 265-50527-00 265-50527-00 265-50527-00
22A Blower and Gas Valve Assembly * 265-54261-01 265-54261-02 265-54261-03 265-54261-04
* Ordering a complete assembly may increase delivery time. Please order the specific component required for the quickest delivery.
◊ Included with Item 1 & 3
9
9