/
/
Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
Parts Town Logo

1-Hour Pickup Available

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

  1. Home
  2. /
  3. Bunn
  4. /
  5. U3

Bunn U3 Coffee Maker Parts

Looking for a reliable coffee machine that can keep up with the demands of your diner, self-serve coffee shop, cafeteria, office, or waiting room? Look no further than the Bunn U3. This large coffee maker urn unit serves up around 3 gallons of piping hot coffee no matter the time of day. And when it comes to keeping your Bunn U3 running at peak performance, you can count on Parts Town for genuine OEM parts. We stock everything from o-rings to gaskets, faucet assembies to tubing, ensuring that you can keep your machine running smoothly day after day.

Plus, with same-day shipping on all in-stock parts until 9 PM ET Monday-Friday, you won't have to wait long to get the parts you need. We also have quite the collection of Bunn U3 parts manuals and user guides for your convenience.

Part Predictor Background
PartsTown Logo

Real data and artificial intelligence thinking together to find your part.

Part Category

  • Accessories(1)
  • Augers & Bits(2)
  • Baskets, Bowls & Containers(5)
  • Bearings & Bushings(7)
  • Brackets & Retainers(8)
  • Brushes(3)
  • Bulbs, Lamps & Lights(4)
  • Caps & Plugs(2)
  • Chutes & Spouts(6)
  • Circuit Breakers(1)
  • Clamps & Clips(4)
  • Condenser & Evaporator Coils(1)
  • Contactors(4)
  • Controls(2)
  • Decals, Labels & Overlays(17)
  • Disconnects, Couplings & Collars(1)
  • Drain Parts(1)
  • Elements, Heaters & Platens(10)
  • Faucet Parts(20)
  • Filter Paper(2)
  • Filters, Screens & Driers(4)
  • Fuses, Blocks & Holders(5)
  • Gaskets & Seals(12)
  • Gauge Glass(2)
  • Gauges & Thermometers(2)
  • Handles(2)
  • Holders & Supports(6)
  • Hoses, Pipes & Tubing(13)
  • Knobs & Dials(2)
  • Legs & Feet(5)
  • Nuts, Bolts & Screws(37)
  • O-Rings(1)
  • Orifices(1)
  • Panels, Covers & Lids(18)
  • Pans, Trays & Wells(2)
  • Plates(4)
  • Probes & Sensors(2)
  • Pumps & Motors(11)
  • Relays(2)
  • Rods, Shafts & Pins(2)
  • Shields & Guards(7)
  • Springs(7)
  • Switches & Buttons(10)
  • Terminal Blocks(4)
  • Thermostats & High Limits(5)
  • Timers(5)
  • Valves, Solenoids & Fittings(23)
  • Washers, Rings & Spacers(20)
  • Wires, Cables & Hardware(13)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Accessories(1)
  • Augers & Bits(2)
  • Baskets, Bowls & Containers(5)
  • Bearings & Bushings(7)
  • Brackets & Retainers(8)
  • Brushes(3)
  • Bulbs, Lamps & Lights(4)
  • Caps & Plugs(2)
  • Chutes & Spouts(6)
  • Circuit Breakers(1)
  • Clamps & Clips(4)
  • Condenser & Evaporator Coils(1)
  • Contactors(4)
  • Controls(2)
  • Decals, Labels & Overlays(17)
  • Disconnects, Couplings & Collars(1)
  • Drain Parts(1)
  • Elements, Heaters & Platens(10)
  • Faucet Parts(20)
  • Filter Paper(2)
  • Filters, Screens & Driers(4)
  • Fuses, Blocks & Holders(5)
  • Gaskets & Seals(12)
  • Gauge Glass(2)
  • Gauges & Thermometers(2)
  • Handles(2)
  • Holders & Supports(6)
  • Hoses, Pipes & Tubing(13)
  • Knobs & Dials(2)
  • Legs & Feet(5)
  • Nuts, Bolts & Screws(37)
  • O-Rings(1)
  • Orifices(1)
  • Panels, Covers & Lids(18)
  • Pans, Trays & Wells(2)
  • Plates(4)
  • Probes & Sensors(2)
  • Pumps & Motors(11)
  • Relays(2)
  • Rods, Shafts & Pins(2)
  • Shields & Guards(7)
  • Springs(7)
  • Switches & Buttons(10)
  • Terminal Blocks(4)
  • Thermostats & High Limits(5)
  • Timers(5)
  • Valves, Solenoids & Fittings(23)
  • Washers, Rings & Spacers(20)
  • Wires, Cables & Hardware(13)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: U3

Manuals Available: 4

Installation & Operation Manual

View Manual

Parts Manual

View Manual

Service Manual

View Manual

Interactive Diagram

View Bunn U3 Interactive Diagram
Bunn U3 Parts & Manuals

Bunn U3 Parts & Manuals

Manufacturer:

Model #:

Bunn

U3

Twin 3-Gallon Coffee Machine Urn


Parts Town has real OEM Bunn U3 parts so you can serve up coffee any time of day.

...

Twin 3-Gallon Coffee Machine Urn


Parts Town has real OEM Bunn U3 parts so you can serve up coffee any time of day.

Bunn 27903.0000 BRACKET, SWITCH MOUNTING (U3A)

Bunn
  • Mfr Part # 27903.0000
  • Parts Town # BU27903.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27923.0000 BRACKET, THERMOSTAT MOUNTING

Bunn
  • Mfr Part # 27923.0000
  • Parts Town # BU27923.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27942.0000 WIRING HARNESS, MAIN 2W 240V

Bunn
  • Mfr Part # 27942.0000
  • Parts Town # BU27942.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27942.0001 WIRING HARNESS, MAIN 2W 230V CE

Bunn
  • Mfr Part # 27942.0001
  • Parts Town # BU27942.0001
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27942.0002 WIRING HARNESS, MAIN U3A CE

Bunn
  • Mfr Part # 27942.0002
  • Parts Town # BU27942.0002
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27945.0001 THERMAL CUTOFF W/LEAD, BLK 12

Bunn
  • Mfr Part # 27945.0001
  • Parts Town # BU27945.0001
  • Quantity0

Out of Stock, backorders usually ship in 15-17 days.

Bunn 27945.0002 THERMAL CUTOFF W/LEAD,RED 8.5

Bunn
  • Mfr Part # 27945.0002
  • Parts Town # BU27945.0002
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27945.0003 Thermal Cutoff with Lead, Red 12

Bunn
  • Mfr Part # 27945.0003
  • Parts Town # BU27945.0003
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27945.0011 THERMAL CUTOFF W/LEAD,BLU 16

Bunn
  • Mfr Part # 27945.0011
  • Parts Town # BU27945.0011
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 27945.0012 THERMAL CUTOFF W/LEAD,BLK 16

Bunn
  • Mfr Part # 27945.0012
  • Parts Town # BU27945.0012
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28040.0000 CONNECTOR,.375MPTX.375CPRSN T

Bunn
  • Mfr Part # 28040.0000
  • Parts Town # BU28040.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28064.1000 HOUSING W/SCHEM,CONT-120/240V

Bunn
  • Mfr Part # 28064.1000
  • Parts Town # BU28064.1000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28064.1004 HOUSING W/SCHEMATIC,SWITCH OP

Bunn
  • Mfr Part # 28064.1004
  • Parts Town # BU28064.1004
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28530.0000 TUBE ASSEMBLY W/FIT,INLTEE TO SOLV

Bunn
  • Mfr Part # 28530.0000
  • Parts Town # BU28530.0000
  • Quantity0

Out of Stock, backorders usually ship in 13-15 days.

Bunn 28617.0000 THUMB NUT, #10-32 (BRN)

Bunn
  • Mfr Part # 28617.0000
  • Parts Town # BU28617.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28618.0000 PEDESTAL/BASE PLATE KIT, 60HZ

Bunn
  • Mfr Part # 28618.0000
  • Parts Town # BU28618.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28618.0001 PEDESTAL/BASE PLATE KIT, 50HZ

Bunn
  • Mfr Part # 28618.0001
  • Parts Town # BU28618.0001
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28623.0000 SCREW, PNH PH#8-32X.25 SST

Bunn
  • Mfr Part # 28623.0000
  • Parts Town # BU28623.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28624.0001 Gasket, Mounting Plate/Retainer

Bunn
  • Mfr Part # 28624.0001
  • Parts Town # BU28624.0001
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28626.0000 BASE PLATE, PUMP

Bunn
  • Mfr Part # 28626.0000
  • Parts Town # BU28626.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28626.0001 BASE PLATE, PUMP MODIFIED

Bunn
  • Mfr Part # 28626.0001
  • Parts Town # BU28626.0001
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28628.0000 SPRING, IMPELLER

Bunn
  • Mfr Part # 28628.0000
  • Parts Town # BU28628.0000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Bunn 28630.0000 PUMP REBUILD KIT, 60HZ

Bunn
  • Mfr Part # 28630.0000
  • Parts Town # BU28630.0000
  • Quantity0

Out of Stock, backorders usually ship in 14-16 days.

Bunn 28630.0001 PUMP REBUILD KIT, 50HZ

Bunn
  • Mfr Part # 28630.0001
  • Parts Town # BU28630.0001
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

121314