Kit #1 Is Only Applicable To Serial Numbers 72489156 & Below
Tune-Up Kit #1 Includes (individual part links in blue):
Kit #2 Is Only Applicable To Serial Numbers After 72489156
Tune-Up Kit #2 Includes (individual part links in blue):
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Dometic Furnace Model DFMD35121 Exploded Parts View Links
*Not Shown* Blower Motor And Wheel Kits (link): 30720/33128/33126
Item #4502 15 Amp Circuit Breaker (link): 30337
Item #4510 Electrode (link): 35100
Item #4510 Electrode (link): 35100-OS
Item #4510 Electrode (link): 35100MC
Item #4524 OEM Curved Blade Sail Switch (link): 31094 NLA (SN 72489156 & Prior)(Replaced By P# Link: 31094-OS)
Item #4524 Curved Blade Sail Switch (link): 31094-OS (SN 72489156 & Before)
Item #4524 Curved Blade Sail Switch (link): 31094MC (SN 72489156 & Before)
Item #4524 OEM Flat Blade Sail Switch Kit (link): 33082 (After SN 72489156) (New P# 36165)
Item #4524 Flat Blade Sail Switch Kit (link): 33082-OS (After SN 72489156) (New P# 36165-OS)
Item #4524 Flat Blade Sail Switch Only (link): 33063
Item #4547 OEM Blower Motor (link): 30720
Item #4547 After-Market Blower Motor (link): 30720-NBK 20897
Item #4565 Manifold Extension Assembly 35712 (Non Stocked Item)
Item #4595 Orifice (Stamp #50 LP) (link): 31078
Item #4610 Casing Leg 31244 (Non Stocked Item)
Item #4615 Vertical Adapter Plate 30205 (Non Stocked Item)
Item #4681 Vent Cover Panel 31367 (Non Stocked Item)
Item #4689 Vent Panel Extension 33055 (Non Stocked Item)
Item #4705 Door Vent Assembly (link): 33050Item #4848 Blower Housing 30751 (Non Stocked Item)
Item #4856 Board & Breaker Bracket 33052 (Non Stocked Item)
Item #4865 Exhaust Adapter 33173 (Non Stocked Item)
Item #4869 Heat Exchanger 33301 (Non Stocked Item)