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OUT DESCRIPTION 207A 267A 337A 407A
BB BURNER TRAY
1-B Burner Tray w/Burners (0-5000) 010343F 010344F 010345F 010346F
Burner Tray w/o Burner (0-5000) 010084F 010085F 010086F 010087F
2-B Burner Hold Down Kit 010254F 010255F 010256F 010257F
3-B Burner 310732/3 310732/4 310732/5 310732/6
4-B Burner Orifice Nat. #26 (0-5000)* 351510/3 351510/4 351510/5 351510/6
Burner Orifice Nat. #31 (above 5000 ft.)* 351523/3 351523/4 351523/5 351523/6
5-B Blower 010042F 010042F 010042F 010042F
7-B Cooling Fan 010871F 010871F 010871F 010871F
6-B Combustion Air Orifice Plate 010338F 010339F 010340F 010341F
C CONTROLS
1-C Thermostat Auto Reset 135 Deg Surface Mount 006725F 006725F 006725F 006725F
2-C AGS 135° (Auto Gas Shut-Off) - Red Epoxy 600892B 600892B 600892B 600892B
3-C High Limit 140° - Black Epoxy 600893B 600893B 600893B 600893B
4-C P. C. Board/Control 010253F 010253F 010253F 010253F
5-C Temperature Sensor 009577F 009577F 009577F 009577F
6-C Blower Pressure Switch 008062F 008135F 010354F 010355F
G GAS VALVE
1-G Combination Valve - Gas On/Off -Nat 010329F 010329F 010329F 010329F
HP HEAT EXCHANGER - POLYMER
1-HP Heat Exchange Assy Copper 010043F 010044F 010045F 010046F
Heat Exchange Assy Cupro Nickel 010356F 010357F 010358F 010359F
2-HP Inlet/Outlet Header Complete 006827F 006827F 006827F 006827F
Inlet/Outlet Header (Includes 6-HP) 006706F 006706F 006706F 006706F
3-HP Return Header (Includes 6-HP) 006707F 006707F 006707F 006707F
4-HP Tube Bundle Copper ** 010059F 010060F 010061F 010062F
Tube Bundle Cupro Nickel ** 010364F 010365F 010366F 010367F
5-HP Baffle 010038F 005261F 010040F 010041F
6-HP Flange Nut Kit 008259F 008259F 008259F 008259F
7-HP O Ring Gasket (2) 006713F 006713F 006713F 006713F
8-HP Sensor Adapter Digital Electronic 006714F 006714F 006714F 006714F
Sensor Well Millivolt 006805F 006805F 006805F 006805F
9-HP Bypass Kit 006715F 006715F 006715F 006715F
10-HP Bypass Valve 006716F 006716F 006716F 006716F
11-HP Bypass Dam / Shaft 006717F 006717F 006717F 006717F
12-HP Bypass Spring (All Sizes Included) 006718F 006718F 006718F 006718F
13-HP Unitherm Governor 006719F 006719F 006719F 006719F
14-HP Unitherm Governor Plug 006720F 006720F 006720F 006720F
15-HP Drain Plug 006721F 006721F 006721F 006721F
16-HP Inlet/Outlet Header Dam 006722F 006722F 006722F 006722F
17-HP 2" PVC Connector & Nut (2) 006723F 006723F 006723F 006723F
18-HP O Ring (2) 006724F 006724F 006724F 006724F
19-HP Stainless Steel Baffle 006826F 006826F 006826F 006826F
HM HEAT EXCHANGER - METAL
1-HM Heat Exchange Assy.Copper ASME CI 010051F 006727F 010053F 010054F
Heat Exchange Assy.Cupro Nickel ASME CI 010360F 010361F 010362F 010363F
2-HM Inlet/Outlet Header ASME CI 006730F 006730F 006730F 006730F
15-HM Inlet & Outlet Flange 003766F 003766F 003766F 003766F
16-H
M
Flange Gasket 1 1/2" Connections 062236B 062236B 062236B 062236B
Flange Gasket 2" Connections 800080B 800080B 800080B 800080B
3-HM Return Header ASME CI 006731F 006731F 006731F 006731F
4-HM Tube Bundle Copper ASME ** 010055F 006733F 010057F 010058F
Tube Bundle Cupro Nickel ASME ** 010368F 010369F 010370F 010371F
5-HM Baffle 010038F 005261F 010040F 010041F
6-HM Stud Bolt Kit 007870F 007870F 007870F 007870F
7-HM Header Gasket (9) 800014B 800014B 800014B 800014B
8-HM Unitherm Governor 062234B 062234B 062234B 062234B
9-HM U.G. Retainer Spring 850254 850254 850254 850254
10-HM Bypass Valve 062235B 062235B 062235B 062235B
11-HM Bypass Spring 850252 850253 850253 850253
12-HM Drain Valve 500719 500719 500719 500719
13-HM Sensor Well 003765F 003765F 003765F 003765F
14-HM Well Retaining Clip 300203 300203 300203 300203
17-HM Rear Drain Plug & Cover 005264F 005264F 005264F 005264F
*FOR INSTALLATIONS AT OVER 5,000 FEET ABOVE SEA LEVEL, CONSULT THE FACTORY
**WARNING: The Hydraulic conditions or water chemistry that caused the tube bundle to fail have very likely also
damaged the bypass valve and Unitherm Governor. We recommend you replace the Unitherm Governor and
inspect the bypass assembly. Failure to do so could cause premature failure of this replacement part.
LOW NOx HEATERS