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Model # OC100-B3 Official Amana oil-fired counterflow furnace
Here are the diagrams and repair parts for Official Amana OC100-B3 oil-fired counterflow furnace, as well as links to manuals and error code tables, if available.
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OC100-B3 Oil-Fired Counterflow Furnace
#56B
Replacement parts diagram
Control - fan & limit m-h l4064a1321
Part #21-0389
The manufacturer no longer makes this part, and there's no substitute part
#41
Replacement parts diagram
Furnace blower wheel
Part #20-5034
The manufacturer no longer makes this part, and there's no substitute part
#26H
Replacement parts diagram
Oil burner - wayne 2/s - plus cell; note 1 - for complet
Part #25-2303
The manufacturer no longer makes this part, and there's no substitute part
#26I
Replacement parts diagram
Oil burner - wayne 2/s - plus cell; note 1 - for complet
Part #25-2305
The manufacturer no longer makes this part, and there's no substitute part
#41C
Replacement parts diagram
Furnace blower wheel
Part #20-5045
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Blower bearing (2 req'd) 3/4" lau 7114
Part #20-5030
The manufacturer no longer makes this part, and there's no substitute part
Control - fan & limit - cemco ctc-ifo-iafcw l0464b1592
Part #21-0513
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Blower assembly (complete w/ motor) 10-10
Part #980-0255
The manufacturer no longer makes this part, and there's no substitute part
#7B
Replacement parts diagram
Panel - upper limit control
Part #305-5260
The manufacturer no longer makes this part, and there's no substitute part
#10B
Replacement parts diagram
Panel - top assembly
Part #305-1100
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: faulty unloader valve, bad pressure regulator…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Main causes: broken recoil spring, damaged recoil starter…
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
Repair guides for gas pressure washers
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
How to install a pressure washer chemical injection kit
The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…
Repair difficulty
Time required
15 minutes or less
How to install a pressure washer O-ring kit
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…
Repair difficulty
Time required
45 minutes or less
How to replace a pressure washer pump
The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…
Repair difficulty
Time required
15 minutes or less
Effective articles & videos to help repair your furnaces
Use the advice and tips in these articles and videos to get the most out of your pressure washer.
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
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