49
B 206A 266/266A 336A 399/406A
1-B Polymer Cu HX, or Burner Tray w/Burners Nat (sea level)* 010391F 010392F 010393F 010394F
ASME HX (Cu or Cupro) Burner Tray w/Gas Valve Nat Millivolt (sea level)* 010399F 010400F 010401F 010402F
NAT #50 ORIFICE Burner Tray w/Gas Valve Nat IID (sea level)* 010407F 010408F 010409F 010410F
Polymer Cu HX, or Burner Tray w/Burners Pro (sea level)* 019206F 019207F 019208F 019209F
ASME HX (Cu or Cupro) Burner Tray w/Gas Valve Pro Millivolt (sea level)* 010403F 010404F 010405F 010406F
PRO #57 ORIFICE Burner Tray w/Gas Valve Pro IID (sea level)* 010411F 010412F 010413F 010414F
Burner Tray w/Burners Nat (sea level)* 019210F 019211F 019212F 019213F
Burner Tray w/Gas Valve Nat Millivolt (sea level)* 019214F 019215F 019216F 019217F
Burner Tray w/Gas Valve Nat IID (sea level)* 019218F 019219F 019220F 019221F
Burner Tray w/Burners Pro (sea level)* 019222F 019223F 019224F 019225F
Burner Tray w/Gas Valve Nat IID (sea level)* 019226F 019227F 019228F 019229F
Burner Tray w/Gas Valve Pro IID (sea level)* 019230F 019231F 019232F 019233F
2-B Burner Spacer/Hold Down Kit 010415F 010416F 010417F 010418F
3-B Burner 301210/13 301210/18 301210/22 301210/27
4-B Burner Orifice (TO BE ORDERED BASED ON RATING PLATE AND ELEVATION)
Burner Orifice #50* (0-1999 ft elevation) 350079F/13 350079F/18 350079F/22 350079F/27
Burner Orifice #51* (2000-5999 ft elevation) 350080F/13 350080F/18 350080F/22 350080F/27
Burner Orifice #52* (6000-8999 ft elevation) 350081F/13 350081F/18 350081F/22 350081F/27
Burner Orifice #53* (9000 + ft elevation) 350347F/13 350347F/18 350347F/22 350347F/27
Burner Orifice #57* (0-1999 ft elevation) 350083F/13 350083F/18 350083F/22 350083F/27
Burner Orifice #58* (2000-2999 ft elevation) 350087F/13 350087F/18 350087F/22 350087F/27
Burner Orifice #59* (3000-4999 ft elevation) 350350F/13 350350F/18 350350F/22 350350F/27
Burner Orifice #60* (5000-6999 ft elevation) 350351F/13 350351F/18 350351F/22 350351F/27
Burner Orifice #61* (7000-7999 ft elevation) 350352F/13 350352F/18 350352F/22 350352F/27
5-B Burner Tray w/o Manifold w/o burners 010421F 010422F 010423F 010424F
1-C High Limit Auto Reset 135°F Deg Surface Mount 006725F 006725F 006725F 006725F
2-C AGS 135°F (Auto Gas Shut-Off) - Red Epoxy - prior to 12/2019 600892B 600892B 600892B 600892B
3-C High Limit 140°F - Black Epoxy - prior to 12/2019 600893B 600893B 600893B 600893B
4-C P.C. Board/Control 013464F 013464F 013464F 013464F
Units manufactured from 5/2011 013640F 013640F 013640F 013640F
8-C Fuse 5 AMP 013733F 013733F 013733F 013733F
5-C Thermostat Control MV Units Mechanical 003346F 003346F 003346F 003346F
6-C Temperature Sensor IID Units 009577F 009577F 009577F 009577F
9-C High Limit Auto Reset 150°F Surface Mount (ASME Only) 018304F 018304F 018304F 018304F
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
1-HP Heat Exchanger Assy Copper ***
Units manufactured from 10/2019 017994F 017995F 017996F 017997F
Units manufactured prior to 10/2019 010043F 010044F 010045F 010046F
Heat Exchanger Assy Cupronickel ***
Units manufactured from 10/2019 017998F 017999F 018000F 018001F
Units manufactured from 7/2013 thru 9/2019 014926F 014927F 014928F 014929F
Units manufactured prior to 7/2013 010356F 010357F 010358F 010359F
2-HP Inlet/Outlet Header Complete
Units manufactured from 10/2019 017959F 017959F 017959F 017959F
Units manufactured prior to 10/2019 006827F 006827F 006827F 006827F
Inlet/Outlet Header (Includes 6-HP)
Units manufactured from 10/2019 017965F 017965F 017965F 017965F
Units manufactured prior to 10/2019 014648F 014648F 014648F 014648F
3-HP Return Header (Includes 6-HP) 015095F 015095F 015095F 015095F
4-HP Tube Bundle Copper ** & *** 010059F 010060F 010061F 010062F
Tube Bundle Cupronickel ** & ***
Units manufactured from 7/2013 014930F 014931F 014932F 014933F
Units manufactured prior to 7/2013 010364F 010365F 010366F 010367F
5-HP Baffle (Copper Heat Exchanger) 010038F 005261F 010040F 010041F
Baffle (Cupronickel Heat Exchanger)
Units manufactured from 6/2013 014934F 014935F 014936F 014937F
Units manufactured prior to 6/2013 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 N/A Use 19-HP N/A Use 19-HP N/A Use 19-HP N/A Use 19-HP
17-HP 2" CPVC Connector & Nut (2) 006723F 006723F 006723F 006723F
18-HP O Ring (2) 006724F 006724F 006724F 006724F
19-HP Inlet/Outlet Header Baffle w/Header Dam 006826F 006826F 006826F 006826F
20-HP
ProTek Shield
TM
Assembly
017960F 017960F 017960F 017960F
**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.
***WARNING: Copper and Cupronickel heat exchangers and tube bundles are not interchangeable. Units with suffix "C" must use copper replacement parts and units with
suffix "X" must use Cupronickel replacement parts.
*FOR INSTALLATION AT OVER 2,000 FEET ABOVE SEA LEVEL, DERATE 4% PER I,000 FEET ABOVE SEA LEVEL. Refer to the heater's rating plate.
BURNER TRAY - SPECIFY ELEVATION*
HEAT EXCHANGER - POLYMER (RESIDENTIAL ONLY)
NAT #51 ORIFICE
PRO #58 ORIFICE
PRELIMINARY
UNCONTROLLED DOCUMENT IF PRINTED
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