York DU-20 Parts

20-ton rooftop unit · gas/electric and electric/electric · 33 models

1

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2

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Parts for York DU-20 units (128)

Compressors & coils

Condenser Coil, Rear, 20/25 Ton Part # S1-37321390101 $8,962.30 View & buy → Condenser Coil, Front, 20/25 Ton Part # S1-37321391101 $9,298.08 View & buy → Distributor Assembly, 15 Tube, 1/4 OD x 30 Part # S1-02208961002 $885.31 View & buy → Distributor Assembly, 2 Tube, 3/8 x 3/8, 1.31" Part # S1-02623209000 $21.36 View & buy → Compressor, SM110-4VI Part # S1-01503531001 $4,749.19 View & buy → Compressor, SM110-3VI Part # S1-01503530001 $3,902.79 View & buy → Heat Exchanger, 8 Tube, 47.906 Tall Part # S1-36393846702 $3,902.99 View & buy → Heat Exchanger, 6 Tube, 47.906 Tall Part # S1-36393846701 $3,687.79 View & buy →

Motors

Blower Motor, 7.5 HP, 1770, 208-230/460V 3-Phase 60Hz Part # S1-02439476000 $1,306.20 View & buy → Condenser Fan Motor, 1.25 HP, 1140 RPM, 460V 3-phase 60 Hz Part # S1-02432068002 $1,445.32 View & buy → Condenser Fan Motor, 1.25 HP, 1140 RPM, 208/230V 3-phase 60 Hz Part # S1-02432068001 $1,163.86 View & buy → Venter Motor, 1/10 HP, 3400 RPM, clockwise, 460V 1-phase 60 Hz Part # S1-02425005004 $545.68 View & buy → Venter Motor 1/10 HP, 3400 RPM, CW, 208/230V 1-Phase 60 Hz, Fasco K33HXCAF-867 Part # S1-02425005701 $523.76 View & buy → Blower Motor, 3/4, 1075/3, CW, 208/230V 1-Phase 60Hz Part # S1-02425371700 $633.71 View & buy →

Fans & blower wheels

Blower Wheel, 18 x 15, Reverse, 1-3/16"BORE Part # S1-02625529703 $778.89 View & buy → Propeller Fan, 30", CW, 3-21, 5/8"BORE Part # S1-02625553000 $168.41 View & buy → Blower Wheel, Venter, 4 x 2, counter-clockwise, 3/8 Bore Lower Part # S1-02632625700 $96.80 View & buy → Blower Wheel, Venter, 4 x 2, clockwise, 3/8 Bore Upper Part # S1-02632626700 $96.80 View & buy → Propeller Fan, 24, CW, 4-32, 1/2 Bore Part # S1-02625558000 $239.14 View & buy →

Gas valves & burners

Gas Valve, Natural Gas, 24V, 3/4 x 1/2 in., White-Rodgers 36H32-466 Part # S1-02527720700 $324.29 View & buy → Gas Burner, Venturi Part # S1-02927069000 $84.02 View & buy → Manifold, Gas, 6-8 Tubes Part # S1-02927110000 $196.79 View & buy → Crossover, Gas 180/300 Part # S1-02920099000 $133.59 View & buy → Crossover, Gas Part # S1-02920404000 $143.87 View & buy →

Igniters & flame sensors

Flame Sensor, with 34" Lead Part # S1-02538950000 $30.04 View & buy → Spark Igniter, 34 in. Lead Part # S1-02538951000 $46.30 View & buy → Spark Igniter, 25K, 28 in. Lead Part # S1-02539887000 $44.43 View & buy → Orifice, Burner #30 (.1285) Part # S1-02920423030 $20.63 View & buy → Temperature Sensor, 144 Lead Part # S1-03100878003 $189.09 View & buy → Orifice, Pilot #58 (.042) Part # S1-02920422058 $17.35 View & buy → Orifice, Pilot #65 (.035) Part # S1-02920422065 $15.96 View & buy → Pressure Switch, Air Adjustable .05-12 on Rise, SPDT Part # S1-02432007000 $471.27 View & buy →

Electrical parts & harnesses

Breaker, Circuit, 6A, 250V, 1 Pole Part # S1-02427583000 $36.42 View & buy → Fuse, Dual, 1.5A, 600V (M10) Part # S1-02527750000 $11.53 View & buy → Harness Wire, S15-1 Part # S1-02537487004 $38.43 View & buy → Wiring Harness, S15, Jumper Part # S1-02550568000 $31.65 View & buy → Connector, Clamp, Str, Round, Diecast, 1.5 Inch Part # S1-7861 $23.56 View & buy → Relay Control, 24V, 50/60 HZ, Dpst Part # S1-02424111000 $55.94 View & buy → Relay Control, 24V, 50/60 HZ, SPST Part # S1-02421678700 $46.44 View & buy → Control Relay, 24V, 50/60 Hz, DPDT Part # S1-02423972000 $56.16 View & buy → Time Delay Relay, Venter Motor Part # S1-02426089000 $60.14 View & buy → Harness Wire, S15-3 Part # S1-02537487007 $54.17 View & buy → Bracket, Actuator Arm Part # S1-02922212000 $76.51 View & buy → Relay, 24V, 3PDT Part # S1-02435717000 $286.48 View & buy → Relay, 24V, DPDT, 10 Amp Part # S1-02435718000 $142.73 View & buy → Holder Fuse, 3 Pole, 30 Amp, 600V Part # S1-02518284900 $105.80 View & buy → Holder Fuse, 3 Pole, 60 Amp, 250V Part # S1-02518283000 $103.28 View & buy → Harness, Wire S12 Jumper Part # S1-02537487005 $14.49 View & buy → Harness, Wire S7-P12-P17-P18 Part # S1-02537487002 $137.33 View & buy → Boot, Capacitor, Rubber Part # S1-02804133000 $4.57 View & buy → Novar Harness Part # S1-02537487008 $24.83 View & buy → Breaker, Circuit, 20A, 250V, 1 Pole Part # S1-02427517000 $31.97 View & buy → Fuse 30 Amp 600V Part # S1-02532733001 $47.21 View & buy → Wiring Harness, Actuator, Belimo Part # S1-02537430033 $104.55 View & buy → Harness Wire, S16-SFTY, Switch Part # S1-02537487013 $23.77 View & buy → Holder Fuse, 1 Pole, 30 Amp, 600V Part # S1-02544135000 $27.46 View & buy → Motor Actuator, 24V, 5.5 Run Part # S1-02546664000 $7,107.69 View & buy → Crankarm Actuator Part # S1-02922116000 $471.03 View & buy → Breaker, Circuit, 3 Pole, 125A, 240V Part # S1-02435766000 $1,867.33 View & buy → Fuse, Dual Cartridge Time Delay, 600V, 30A Part # S1-02504650900 $19.24 View & buy → Holder Fuse, 3 Pole, 60 Amp, 600V Part # S1-02518285000 $107.19 View & buy → Transformer, 208/240, 120V Part # S1-02532672240 $1,965.32 View & buy →

Switches, sensors & controls

Block, Distributor, LINE-1, LOAD-4, 3P, 600V, 175A Part # S1-02520710000 $124.88 View & buy → Temperature Control, 26 Open, 38 Close, SPST Part # S1-02527727002 $48.24 View & buy → Temperature Control, 40 Open, 30 Close, SPST Part # S1-02535355001 $50.66 View & buy → Temperature Control, 195 Open, 130 Close, SPDT Part # S1-02526366009 $37.58 View & buy → Rollout Control, 175 Open, 95 Close, DPST Part # S1-02527733002 $46.40 View & buy → Gear, Actuator, Motor, 8 Teeth Part # S1-02646760000 $44.54 View & buy → Temperature Control, 55 Open, 45 Close, SPST Part # S1-02535355000 $30.66 View & buy → Limit Switch, 120/100(O/C), SPST, Autoreset Part # S1-02526392704 $17.37 View & buy → Power Exhaust, Accessory, 460V, 15-25 Ton Part # S1-02648107000 $2,867.74 View & buy → Joint, Ball, With M8, Belimo Part # S1-02927097000 $84.16 View & buy → Crankarm, 3/4IN Shaft, Belimo, Afb Part # S1-02927105000 $104.04 View & buy →

Air filters

Filter, 2 x 16 x 25, MERV2 Part # S1-02651426000 $23.28 View & buy → Filter, 2 x 16 x 20, MERV2 Part # S1-02651427000 $22.97 View & buy → Air Filter, 28 x 32.25 x 2 Part # S1-02642507000 $238.48 View & buy → Eliminator, Mist, 28 x 32.25 x 1 Part # S1-02648071000 $301.23 View & buy →

Hardware & fittings

Key, Blower 1/4 in Square x 6.375 in Long Part # S1-00107110004 $9.29 View & buy → Shaft, Blower 1.187 x 26.75 Long Part # S1-00107116000 $176.60 View & buy → Ring, Clamp for Motor Mount Part # S1-02625568000 $29.15 View & buy → Bracket, Bearing Wireform Part # S1-02635494000 $218.82 View & buy → Mount, Motor, 56 Frame Part # S1-02637389000 $182.65 View & buy → Guard Fan, 30 Inch, Black, Flat Part # S1-02647777000 $203.53 View & buy → Sheave, Variable 1 Groove, 1.375" Bore, 1VP68 Part # S1-02812010700 $168.43 View & buy → 4 Bolt Flange Ball Bearing Part # S1-02922145000 $262.90 View & buy → Support, Motor Part # S1-06394674000 $286.18 View & buy → Wrapper, Blower 18 Inch Part # S1-06394675000 $259.42 View & buy → Orifice, Fan 30.75" Dia Part # S1-06394820000 $157.94 View & buy → Support, Motor Part # S1-07301954000 $134.26 View & buy → Panel, Access, Compressor, Top 20/25 Ton Part # S1-07319228000 $290.60 View & buy → Plate, Support, Motor, 7.5-10HP Part # S1-37301957000 $173.61 View & buy → Panel, Access Control Part # S1-06393794001 $201.92 View & buy → Panel, Access, Blower Motor Part # S1-37306317181 $377.40 View & buy → Panel, Access, Blower Part # S1-37306317210 $555.63 View & buy → Support, Burner Part # S1-06393848000 $62.64 View & buy → Plate, Latch Cool/Electric Heat Part # S1-07301931000 $21.15 View & buy → Hood, Rain, Flue, SS, (Vent Air Outlet) Part # S1-36393686001 $135.47 View & buy → Connecton, Gas, Pilot Part # S1-37303313000 $23.02 View & buy → Pivot, Damper Blade Part # S1-02637495000 $92.93 View & buy → Spacer, Filter, 19.75 Long Part # S1-07303072009 $15.58 View & buy → Spacer, Filter, 24.75 Long Part # S1-07303072010 $23.77 View & buy → Post, Corner, Power Disconnect Part # S1-07331157000 $304.25 View & buy → Panel, Sealer Part # S1-07345129000 $40.77 View & buy → Sheave, Fixed 1 Groove, 1.1875" Bore, BK120 Part # S1-02810577700 $132.97 View & buy → Belt Drive, BX83, PL=84.8 Part # S1-02812080700 $112.00 View & buy → Scroll, Blower, Vent Part # S1-06390041000 $42.26 View & buy → Baffle, Heat Exchanger Part # S1-06390071000 $30.88 View & buy → Plate, Venter Housing Part # S1-07303170000 $27.01 View & buy → Plate, Venter Housing Part # S1-07303210000 $62.03 View & buy → Sheave, Fixed 1 Groove, 1.1875" Bore, BK110 Part # S1-02812012700 $216.72 View & buy → Belt Drive, BX81, PL=82.8 Part # S1-02812017700 $106.64 View & buy → Plate, Ventor, 2.562 Orifice Part # S1-06390038008 $23.28 View & buy → Plate, Ventor, 2.437 Orifice Part # S1-06390038032 $27.54 View & buy → Plate, Ventor, 2.375 Orifice Part # S1-06390038010 $28.75 View & buy → Plate, Ventor, 2.187 Orifice Part # S1-06390038014 $27.30 View & buy → Guard, Coil 81.65 x 47.15 Black Part # S1-02631432702 $620.79 View & buy → Latch, Z Part # S1-07316446000 $28.32 View & buy → Panel, Access Insulation Damper Mounting W/O Econo Part # S1-36394829031 $598.10 View & buy → Cover, Damper Opening, Insulated Part # S1-36394829032 $138.25 View & buy → Hood, Damper Economizer Part # S1-37302274701 $445.70 View & buy → Plate, Vent, Bottom Part # S1-02638582000 $148.40 View & buy → Bracket, Mounting, Exhaust Motor Part # S1-02625563000 $343.60 View & buy → Orifice Plate 2.375 Inch Diameter Part # S1-02638575000 $117.39 View & buy → Orifice Plate 2.187 Inch Diameter Part # S1-02638576000 $120.89 View & buy → Panel, Barometric Relief W/Damper, 47" H Part # S1-02646762000 $1,202.94 View & buy → Latch, Door Without Lock, 2", Compression Part # S1-02924430000 $202.99 View & buy →

Other parts

Spacer, Motor, Venter Part # S1-07303169000 $20.63 View & buy → Bracket, Limit Switch Part # S1-07318565000 $44.30 View & buy →

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See all 33 York DU-20 model numbers

From York's own parts data (York SmartSearch, Nov 2026).