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OUT DESCRIPTION 206A 266A 336A 406A
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-HM 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
J CONTROL BOX
1-J Transformer 120/240/24V 006736F 006736F 006736F 006736F
2-J Rocker Switch 009493F 009493F 009493F 009493F
M MISCELLANEOUS COMPONENTS
1-M Pressure Switch 1.75 PSI 006737F 006737F 006737F 006737F
Pressure
Switch 11 PSI S
p
ecial-See Water Pressure Switch Ad
j.
009133F 009133F 009133F 009133F
2-M Thermostat Knob 009499F 009499F 009499F 009499F
3-M Thermostat Shaft MV 800307 800307 800307 800307
4-M Knobstop 006886F 006886F 006886F 006886F
5-M Thermal Fuse 005899F 005899F 005899F 005899F
6-M PRV 125 PSI (Optional) 008091F 007224F 007224F 007224F
7-M Deliming Kit 052871F 052871F 052871F 052871F
8-M Wire/Harness Millivolt 010386F 010386F 010386F 010386F
Wire/Harness IID 009490F 009490F 009490F 009490F
9-M Control Bezel MV (Includes Dial Decal) 009489F 009489F 009489F 009489F
10-M Dial Decal MV 009858F 009858F 009858F 009858F
11-M Control Bezel IID (Includes Switch Decal) 009491F 009491F 009491F 009491F
12-M Switch/Decal-Membrane 009492F 009492F 009492F 009492F
13-M Control Bezel Cover 009487F 009487F 009487F 009487F
14-M Gasket Insulation (Swaybrace & Jacket Top) 010350F 010350F 010350F 010350F
15-M Touch-u
p
Paint
(
Green
)
750125 750125 750125 750125
Touch-u
p
Paint
(
Dark Gra
y)
750126 750126 750126 750126
16-M Tie Down Bracket
(
O
p
tional
)
011636 011636 011636 011636
P PILOT
1-P Pilot Nat. MV 600525B 600525B 600525B 600525B
Pilot Pro. MV 600575B 600575B 600575B 600575B
2-P
Pilot Nat & Pro IID 002003F 002003F 002003F 002003F
3-P Pilot Orifice Nat. MV 003901F 003901F 003901F 003901F
Pilot Orifice Pro. MV 003902F 003902F 003902F 003902F
4-P Pilot Orifice Nat. IID .020 003903F 003903F 003903F 003903F
Pilot Orifice Pro. IID .012 004308F 004308F 004308F 004308F
5-P Pilot Generator MV 600019B 600019B 600019B 600019B
6-P Pilot MTG Bracket MV 010352F 010352F 010352F 010352F
7-P Pilot Mounting Bracket IID 306692 306692 306692 306692
8-P Lighter Tube (MV Units Only) 062996 062996 062996 062996
9-P Pilot Tube 004078F 004078F 004078F 004078F
10-P Hi Tension Wire IID with Pilot Electrode 007864F 007864F 007864F 007864F
11-P Pilot Shield 010351F 010351F 010351F 010351F
R REFRACTORY
1-R Refractory Common Lt & Rt 010088F 010088F 010088F 010088F
2-R Refractory Uncommon (Front & Rear) 010089F 010090F 010091F 010092F
3-R Refractory Retainer Kit 010387F 010388F 010389F 010390F
*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.
ATMOSPHERIC HEATERS