Krome U Type Keg Coupler for GUINNESS and HARP
$36.19
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U Type Keg Coupler for GUINNESS AND HARP, made from SS304 stainless steel for hygienic, durable, and smooth draft beer dispensing in commercial systems.
- Details
- Specifications
- Replacement Parts
- FAQ's
U Type Keg Coupler for GUINNESS and HARP with a durable stainless steel 304 body – C712
his U Type Keg Coupler for GUINNESS and HARP is designed for professional U-System draft beer setups, ensuring hygienic, reliable, and efficient dispensing. Built from premium SS304 stainless steel, it delivers strong corrosion resistance and maintains clean beer flow for commercial use.
It features secure threaded connections for stable beer and gas flow, ensuring consistent carbonation and smooth dispensing performance. The integrated PRV enhances safety by allowing controlled pressure release during keg handling.
An ergonomic eagle handle provides a firm grip and easy operation, making it ideal for busy bars, breweries, and restaurants serving Guinness, Harp, and similar stout beers.
Named after its English manufacturer, the U System keg coupler is associated with breweries like Guinness and Harp. It is designed to dispense rich, creamy stouts and is commonly used with brands such as Guinness, Harp, and Smithwick’s.
Always match the coupler type to your keg. If you’re unsure about your keg, check our complete Keg Coupler List for guidance.
Features:
- Designed for dispensing special brews, particularly rich and creamier beers like stouts.
- U System Keg Coupler Commonly used with brands such as Guinness, Harp, Smithwick’s, and more. It also known as coupler for Guinness.
- Made from stainless steel, both the body and probe are constructed using SS 304 grade for durability and reliability.
- Every part of the coupler that comes into direct contact with the beer is made of stainless steel, ensuring a high-quality pour with no added metallic taste.
- Features an easy-to-engage lever handle: push down to tap and pull up to untap.
- Includes an integrated pressure relief valve for added safety, releasing overpressure gas at 56-65 PSI.
- Suitable for both home and commercial bars.
- Provides a great pouring experience for special brews like stouts.
Downloads
Warnings / Instructions
- Important information – Prop. 65 for CA Residents. Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
| Probe Material | Stainless Steel 304 |
| Handle Type | Pull Lever Handle |
| Gas Inlet Connection | 3/8" O.D. Barb (To fit 5/16" I.D. Gas Hose) |
| Beer Outlet Connection | 7/8"-14 Thread (U.S. Beer Industry Standard) |
| Thread Size | 5/8"-14 BSP (With Connector) |
Replacement Parts
| Part # | Description | Price | ||||
|---|---|---|---|---|---|---|
| 1 |
|
C257.06X1 | Sliding Cap O-Ring(Single Piece Pack) | $1.31 | In Stock | |
| 2 |
|
C712.12 | Duck Bill Valve for U System | In Stock | ||
| 3 |
|
C712.13 | Pressure Relief Valve(PRV) | $12.99 | In Stock | |
| 4 |
|
C103 | Chrome plated Brass 5/16″ Tailpiece for vinyl hose | $0.72 | In Stock | |
| 5 |
|
C116X100 | Beer Line/Tubing Gasket Pack of 100 Pcs | $10.81 | In Stock | |
| 6 |
|
C181x1 | Beer Hex Nut – Chrome Plated Brass | $1.20 | In Stock | |
| 7 |
|
C713 | 1/2” To 5/8” Keg Coupler Thread Converter | $3.53 | In Stock |
Frequently Asked Questions
- Que: What does a keg coupler actually do? Ans: The coupler is the heart of a draft system. When you press and twist it onto the keg valve, the internal probe opens the keg, allowing pressurized CO₂ to push beer up through the body and out through the beer line to your faucet. Without the coupler, there is no connection between the keg, gas, and tap.
- Que: Do all beer brands use the same coupler? Ans: No — different beer brands and countries use different keg valve systems including D, S, A, G, and M Systems. Each system requires a specific coupler to fit correctly. Choosing the wrong coupler means it will not connect to your keg. BarObjects carries keg couplers for all major systems so you can always find the right coupler for your beer.
- Que: How do I tap a keg with the Coupler? Ans: This tapping process applies to the American D System, European S System, and U System keg couplers. Ensure the coupler handle is in the upright OFF position before starting. Align the two coupler lugs with the corresponding openings in the keg valve and turn clockwise to engage into position. Once locked, press the handle downward to the ON position to allow gas to enter the keg and beer to flow out.
- Que: What is the pressure relief valve and why does it matter? Ans: A pressure relief valve (PRV) is a built-in safety feature on a keg coupler that automatically releases excess pressure if it builds too high in your draft system. If your CO₂ regulator malfunctions or pressure exceeds the safe limit, the PRV vents automatically protecting both your equipment and preventing potential injury.
- Que: How do I clean Keg couplers? Ans: Disconnect the coupler from the keg and rinse all beer-contact surfaces with warm water. Use an approved beer line cleaning solution to remove beer residue, yeast, and bacteria buildup. Rinse thoroughly with clean water and allow to dry before reassembly. Regular cleaning maintains beer quality and extends the life of the coupler.
- Que: What should I do if my coupler is leaking gas or beer? Ans: A leak usually points to a worn O-ring, a damaged probe seal washer, or a loose hose connection. First check that all hose barbs are properly clamped. Then inspect the body O-rings and the probe seal washer — these are the most common failure points. Both parts are inexpensive and can be replaced in minutes using the replacement parts listed on the product page.
















