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OUT DESCRIPTION 185 265 335 405
B BURNER TRAY
1-B Burner Tray w/Burners (Sea Level)* 005213F 005214F 005215F 005216F
Burner Tray w/o Burner (Sea Level)* 005217F 005218F 005219F 005220F
Burner Tray w/Gas Valve Nat Millivolt 005221F 005222F 005223F 005224F
Burner Tray w/Gas Valve Pro Millivolt 005225F 005226F 005227F 005228F
Burner Tray w/Gas Valve Nat IID 005229F 005230F 005231F 005232F
Burner Tray w/Gas Valve Pro IID 005233F 005234F 005235F 005236F
2-B Burner Spacer/Hold Down Kit 005237F 005238F 005239F 005240F
3-B Burner 301210/13 301210/19 301210/24 301210/29
4-B Burner Orifice Nat. #51 (Sea Level)* 350080F/13 350080F/19 350080F/24 350080F/29
Burner Orifice Pro. #57 (Sea Level)* 350083F/13 350083F/19 350083F/24 350083F/29
5-B Burner Tray w/o Manifold w/o burners 005265F 005266F 005267F 005268F
C CONTROLS
1-C AGS 135∞ (Auto Gas Shut-Off) - Red Epoxy 600892B 600892B 600892B 600892B
2-C High Limit 140∞ - Black Epoxy 600893B 600893B 600893B 600893B
3-C P. C. BoardControl IID Units 005241F 005241F 005241F 005241F
6-C Fuse PC Board IID Units 005384F 005384F 005384F 005384F
4-C Thermostat Control MV Units Mechanical 003346F 003346F 003346F 003346F
5-C Temperature Sensor IID Units 005299B 005299B 005299B 005299B
G GAS VALVE
1-G Combination Valve - Nat. MV 003898F 003898F 003898F 003898F
Combination Valve - Pro. MV 003899F 003899F 003899F 003899F
Combination Valve - Nat. IID 003900F 003900F 003900F 003900F
Combination Valve - Pro. IID 004306F 004306F 004306F 004306F
H HEAT EXCHANGER
1-H Heat Exchange Assy. Cast Iron (Complete) 005244F 005245F 005246F 005247F
Heat Exchange Assy. Brass (Complete) 005248F 005249F 005250F 005251F
2-H Inlet/Outlet Header CI 003759F 003759F 003759F 003759F
Inlet/Outlet Header BR 003760F 003760F 003760F 003760F
3-H Return Header CI 002450F 002450F 002450F 002450F
Return Header BR 002451F 002451F 002451F 002451F
4-H Tube Bundle 005252F 005253F 005254F 005255F
5-H Heat Exchanger Tube (1) 005256F 005257F 005258F 005259F
6-H Baffle Kit (8) 005260F 005261F 005262F 005263F
7-H Bolt Kit 001303F 001303F 001303F 001303F
8-H Header Gasket (9) 800014B 800014B 800014B 800014B
9-H Unitherm Governor 062234B 062234B 062234B 062234B
10-H U.G. Retainer Spring 850254 850254 850254 850254
11-H Bypass Valve 062235B 062235B 062235B 062235B
12-H Bypass Spring 850252 850253 850253 850253
13-H Drain Valve 500719 500719 500719 500719
14-H Sensor Well 003765F 003765F 003765F 003765F
15-H Well Retaining Clip 300203 300203 300203 300203
16-H Inlet & Outlet Flange 003766F 003766F 003766F 003766F
17-H Flange Gasket 1 1/2" Connections 062236B 062236B 062236B 062236B
Flange Gasket 2" Connections 800080B 800080B 800080B 800080B
18-H Rear Drain Plug & Cover 005264F 005264F 005264F 005264F
J CONTROL BOX
1-J Ignition Control IID Nat. 004817B 004817B 004817B 004817B
Ignition Control IID Pro. 004818B 004818B 004818B 004818B
2-J Transformer 120/240/24V 006736F 006736F 006736F 006736F
3-J Rocker Switch (MV Units) 006872F 006872F 006872F 006872F
4-J Rocker Switch (IID Units) 650903 650903 650903 650903
*FOR ALTITUDES ABOVE 2,000 FEET 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 b
y
pass assembl
y
. Failure to do so could cause premature failure of this replacement part.