Copper M Profile Press Fit Water Reducing Tee
Copper M Profile Press Fit Water Reducing Tee
Product Options
| SKU | SIZE / OPTION | AVAILABILITY | PRICE | QTY | ACTION |
|---|---|---|---|---|---|
| PW - 70 | IN STOCK | £3.03 Ex. VAT | |||
| PW - 70-P10 | IN STOCK | £30.30 Ex. VAT | |||
| PW - 70-P20 | IN STOCK | £58.24 Ex. VAT | |||
| PW - 70-P30 | IN STOCK | £85.00 Ex. VAT | |||
| PW - 71 | IN STOCK | £3.13 Ex. VAT | |||
| PW - 71-P10 | IN STOCK | £31.30 Ex. VAT | |||
| PW - 71-P20 | IN STOCK | £60.16 Ex. VAT | |||
| PW - 71-P30 | IN STOCK | £87.81 Ex. VAT | |||
| PW - 72 | IN STOCK | £3.26 Ex. VAT | |||
| PW - 72-P10 | IN STOCK | £32.60 Ex. VAT | |||
| PW - 72-P20 | IN STOCK | £62.66 Ex. VAT | |||
| PW - 72-P30 | IN STOCK | £91.45 Ex. VAT | |||
| PW - 73 | IN STOCK | £2.67 Ex. VAT | |||
| PW - 73-P10 | IN STOCK | £26.70 Ex. VAT | |||
| PW - 73-P20 | IN STOCK | £51.32 Ex. VAT | |||
| PW - 73-P30 | IN STOCK | £74.90 Ex. VAT | |||
| PW - 74 | IN STOCK | £3.93 Ex. VAT | |||
| PW - 74-P10 | IN STOCK | £39.30 Ex. VAT | |||
| PW - 74-P20 | IN STOCK | £75.53 Ex. VAT | |||
| PW - 74-P30 | IN STOCK | £110.25 Ex. VAT | |||
| PW - 75 | IN STOCK | £4.41 Ex. VAT | |||
| PW - 75-P10 | IN STOCK | £44.10 Ex. VAT | |||
| PW - 75-P20 | IN STOCK | £84.76 Ex. VAT | |||
| PW - 75-P30 | IN STOCK | £123.71 Ex. VAT | |||
| PW - 76 | IN STOCK | £4.70 Ex. VAT | |||
| PW - 76-P10 | IN STOCK | £47.00 Ex. VAT | |||
| PW - 76-P20 | IN STOCK | £90.33 Ex. VAT | |||
| PW - 76-P30 | IN STOCK | £131.85 Ex. VAT | |||
| PW - 77 | IN STOCK | £4.52 Ex. VAT | |||
| PW - 77-P10 | IN STOCK | £45.20 Ex. VAT | |||
| PW - 77-P20 | IN STOCK | £86.87 Ex. VAT | |||
| PW - 77-P30 | IN STOCK | £126.80 Ex. VAT | |||
| PW - 78 | IN STOCK | £6.11 Ex. VAT | |||
| PW - 78-P10 | IN STOCK | £61.10 Ex. VAT | |||
| PW - 78-P20 | IN STOCK | £117.43 Ex. VAT | |||
| PW - 78-P30 | IN STOCK | £171.40 Ex. VAT | |||
| PW - 79 | IN STOCK | £6.13 Ex. VAT | |||
| PW - 79-P10 | IN STOCK | £61.30 Ex. VAT | |||
| PW - 79-P20 | IN STOCK | £117.82 Ex. VAT | |||
| PW - 79-P30 | IN STOCK | £171.96 Ex. VAT | |||
| PW - 80 | IN STOCK | £7.16 Ex. VAT | |||
| PW - 80-P10 | IN STOCK | £71.60 Ex. VAT | |||
| PW - 80-P20 | IN STOCK | £137.62 Ex. VAT | |||
| PW - 80-P30 | IN STOCK | £200.86 Ex. VAT | |||
| PW - 81 | IN STOCK | £4.63 Ex. VAT | |||
| PW - 81-P10 | IN STOCK | £46.30 Ex. VAT | |||
| PW - 81-P20 | IN STOCK | £88.99 Ex. VAT | |||
| PW - 81-P30 | IN STOCK | £129.89 Ex. VAT | |||
| PW - 82 | IN STOCK | £4.65 Ex. VAT | |||
| PW - 82-P10 | IN STOCK | £46.50 Ex. VAT | |||
| PW - 82-P20 | IN STOCK | £89.37 Ex. VAT | |||
| PW - 82-P30 | IN STOCK | £130.45 Ex. VAT | |||
| PW - 83 | IN STOCK | £5.34 Ex. VAT | |||
| PW - 83-P10 | IN STOCK | £53.40 Ex. VAT | |||
| PW - 83-P20 | IN STOCK | £103.24 Ex. VAT | |||
| PW - 83-P30 | IN STOCK | £151.66 Ex. VAT | |||
| PW - 84 | IN STOCK | £6.76 Ex. VAT | |||
| PW - 84-P10 | IN STOCK | £67.60 Ex. VAT | |||
| PW - 84-P20 | IN STOCK | £129.93 Ex. VAT | |||
| PW - 84-P30 | IN STOCK | £189.64 Ex. VAT | |||
| PW - 85 | IN STOCK | £7.65 Ex. VAT | |||
| PW - 85-P10 | IN STOCK | £76.50 Ex. VAT | |||
| PW - 85-P20 | IN STOCK | £147.90 Ex. VAT | |||
| PW - 85-P30 | IN STOCK | £217.26 Ex. VAT | |||
| PW - 86 | IN STOCK | £7.67 Ex. VAT | |||
| PW - 86-P10 | IN STOCK | £76.65 Ex. VAT | |||
| PW - 86-P20 | IN STOCK | £148.19 Ex. VAT | |||
| PW - 86-P30 | IN STOCK | £217.69 Ex. VAT | |||
| PW - 87 | IN STOCK | £11.15 Ex. VAT | |||
| PW - 87-P10 | IN STOCK | £111.50 Ex. VAT | |||
| PW - 87-P20 | IN STOCK | £214.30 Ex. VAT | |||
| PW - 87-P30 | IN STOCK | £312.79 Ex. VAT | |||
| PW - 88 | IN STOCK | £12.81 Ex. VAT | |||
| PW - 88-P10 | IN STOCK | £128.10 Ex. VAT | |||
| PW - 88-P20 | IN STOCK | £246.21 Ex. VAT | |||
| PW - 88-P30 | IN STOCK | £359.36 Ex. VAT | |||
| PW - 89 | IN STOCK | £12.18 Ex. VAT | |||
| PW - 89-P10 | IN STOCK | £121.80 Ex. VAT | |||
| PW - 89-P20 | IN STOCK | £235.48 Ex. VAT | |||
| PW - 89-P30 | IN STOCK | £345.91 Ex. VAT | |||
| PW - 90 | IN STOCK | £12.13 Ex. VAT | |||
| PW - 90-P10 | IN STOCK | £121.30 Ex. VAT | |||
| PW - 90-P20 | IN STOCK | £233.14 Ex. VAT | |||
| PW - 90-P30 | IN STOCK | £340.28 Ex. VAT | |||
| PW - 91 | IN STOCK | £12.16 Ex. VAT | |||
| PW - 91-P10 | IN STOCK | £121.60 Ex. VAT | |||
| PW - 91-P20 | IN STOCK | £233.72 Ex. VAT | |||
| PW - 91-P30 | IN STOCK | £341.12 Ex. VAT | |||
| PW - 92 | IN STOCK | £18.90 Ex. VAT | |||
| PW - 92-P10 | IN STOCK | £189.00 Ex. VAT | |||
| PW - 92-P20 | IN STOCK | £365.40 Ex. VAT | |||
| PW - 92-P30 | IN STOCK | £536.76 Ex. VAT | |||
| PW - 93 | IN STOCK | £13.61 Ex. VAT | |||
| PW - 93-P10 | IN STOCK | £136.10 Ex. VAT | |||
| PW - 93-P20 | IN STOCK | £261.58 Ex. VAT | |||
| PW - 93-P30 | IN STOCK | £381.80 Ex. VAT | |||
| PW - 94 | IN STOCK | £14.52 Ex. VAT | |||
| PW - 94-P10 | IN STOCK | £145.20 Ex. VAT | |||
| PW - 94-P20 | IN STOCK | £279.07 Ex. VAT | |||
| PW - 94-P30 | IN STOCK | £407.33 Ex. VAT | |||
| PW - 95 | IN STOCK | £17.40 Ex. VAT | |||
| PW - 95-P10 | IN STOCK | £174.00 Ex. VAT | |||
| PW - 95-P20 | IN STOCK | £334.43 Ex. VAT | |||
| PW - 95-P30 | IN STOCK | £488.12 Ex. VAT |
Quick Trade Summary: Copper M-Profile Press Fit Water Reducing Tee
MEP Stock supplies heavy-duty copper M-profile press fit reducing tees engineered for branch line step-downs and distribution manifold take-offs on domestic and commercial hydronic systems. Manufactured from premium CW024A / DHP deoxidised copper, each socket is fitted with a factory-lubricated black EPDM O-ring certified for drinking water and central heating. Eliminates multi-fitting adapters, brazing torches, and hot works permits with permanent 16-bar cold mechanical joints.
M-Profile Copper Press Reducing Branch Tees
Branching 15mm radiator drops or secondary hot water feeds directly off 22mm, 28mm, or 35mm main distribution lines requires compact, high-flow hydraulic fittings. Conforming to BS EN 1254-7, our copper M-profile press fit reducing tees provide a seamless, precision-formed one-piece mechanical junction for BS EN 1057 copper pipe. By replacing bulky multi-piece combinations (equal tee plus fitting reducer), mechanical contractors eliminate redundant joints, streamline installation in restricted joist bays, and ensure smooth, laminar water distribution.
Engineering Specifications & Material Standards
| Parameter | Specification Standard |
|---|---|
| Fitting Body Material | Deoxidised High Phosphorus Copper CW024A / Cu-DHP (BS EN 1254-7) |
| Copper Tube Compatibility | BS EN 1057 (R250 Half-Hard / R290 Hard Table X) |
| Elastomeric Sealing Element | Factory-Lubricated Black EPDM (Ethylene Propylene Diene Monomer) |
| Press Profile Compatibility | M-Profile Press Jaws (Rothenberger, Milwaukee, Novopress, REMS, Klauke) |
| Operating Pressure (Water) | Max 16 bar (PN16) |
| Operating Temperature Range | -20°C to +110°C (-4°F to 230°F) |
| Safety Feature | Leak-Before-Press (LBP) bypass channel identifies unpressed joints |
| Statutory Certification | WRAS Approved Material, Water Supply (Water Fittings) Regulations 1999 |
Step-by-Step Installation Protocol for Reducing Tees
- Square Tube Cuts: Cut all connecting BS EN 1057 copper pipes cleanly at 90° using a rotary pipe wheel cutter. Hacksaws must not be used.
- Internal & External Deburring: Thoroughly deburr both the inner and outer tube surfaces on all three pipe ends using a calibrated deburring reamer. A sharp metal burr will tear the black EPDM O-ring during insertion.
- Insertion Depth Calibration: Measure socket depth for both the main run and branch sockets. Scribe the insertion depth onto each pipe end with a permanent marker.
- Inspect O-Ring Seating: Verify that all three factory-lubricated EPDM seals are clean, undamaged, and correctly seated in their toroidal grooves.
- Pipe Insertion: Push each copper pipe fully into its respective socket with a slight twist until it hits the internal stop and the insertion mark aligns with the fitting collar.
- Sequential Mechanical Pressing: Mount the calibrated M-profile jaw matching the main run diameter and cycle the press tool on both inline run sockets. Change to the corresponding smaller M-profile jaw (e.g. 15mm) and complete the press cycle on the branch socket.
Frequently Asked Questions: Copper Press Fit Reducing Tees
How do you read the three dimensions on a UK reducing tee?
UK reducing tees are designated as End 1 (Run Inlet) x End 2 (Run Outlet) x Branch (90° Side Outlet). For example, in a `22mm x 22mm x 15mm` reducing tee, the straight-through continuous main pipe remains 22mm, while the 90-degree side branch reduces down to 15mm for a radiator or appliance feed. In a reducing-run tee such as `28mm x 22mm x 22mm`, the main distribution line steps down from 28mm to 22mm immediately after taking off a 22mm branch. When only two dimensions are listed (e.g. `22mm x 15mm`), UK trade convention implies `22mm (Run) x 15mm (Branch)`.
Why use an integrated reducing tee instead of an equal tee paired with a fitting reducer?
An integrated reducing tee eliminates an extra joint, halves installation time, and reduces hydraulic turbulence. Combining an equal tee with a slip-in fitting reducer requires two separate pressing cycles and introduces an additional mechanical seam and EPDM O-ring into the pipework. A one-piece manufactured M-profile reducing tee provides a smooth, swept transition with superior flow dynamics (higher Kv value), eliminates a potential leak path, and fits into tighter joist bays and service risers.
How do I ensure pressing jaw clearance on the 15mm branch of a 22mm tee near a wall?
Maintain adequate wall stand-off clearance or pre-press the 15mm branch assembly on the bench before locking in the 22mm run. Standard radial press jaws require clearance around the fitting bead. When dropping down to a radiator valve trapped close to skirting or plasterboard, standard jaws may collide with adjacent masonry. Installers can use a compact mini-press tool with 15mm mini jaws, utilize flexible actuator press rings (slings), or pre-press the branch pipe into the tee before fixing the main 22mm distribution run.
What press jaw profile is required for these copper reducing tees?
All branches and run sockets strictly require M-Profile press jaws corresponding to each respective diameter. When pressing a `22mm x 22mm x 15mm` tee, use a 22mm M-profile jaw for the two inline run collars and switch to a 15mm M-profile jaw for the side branch collar. Compatible tool systems include Rothenberger, Milwaukee, Novopress, Klauke, and REMS. Never use V-profile or U-profile jaws on M-profile fittings.
Can this reducing tee be used on central heating primary flow and return pipework?
Yes, it is fully certified for central heating circuits up to 16 bar and +110°C. The factory-fitted black EPDM seals are resistant to hot water, hydronic pressure surges, standard commercial chemical inhibitors (such as Fernox F1 or Sentinel X100), and glycol solutions up to 50% concentration, making them ideal for stepping down boiler headers to individual heating zone circuits.
How does the Leak-Before-Press (LBP) safety feature protect unpressed branches?
Each branch and run collar features an engineered EPDM bypass channel that leaks fluid at 0.1 to 3 bar if accidentally missed during pressing. Because a reducing tee requires three separate pressing operations, an installer might occasionally press the two 22mm main sockets but miss the 15mm branch. During pre-commissioning low-pressure water testing, any unpressed socket produces an immediate visible drip, ensuring 100% joint verification before floors or ceiling voids are closed.
Order Trade Copper Press Reducing Tees Online
Available across all common reducing combinations from 22x15x15mm and 22x22x15mm up to 54mm in singles or discounted bulk contractor packs of 10, 20, and 30.
Quick Trade Summary: Copper M-Profile Press Fit Water Reducing Tee
MEP Stock supplies heavy-duty copper M-profile press fit reducing tees engineered for branch line step-downs and distribution manifold take-offs on domestic and commercial hydronic systems. Manufactured from premium CW024A / DHP deoxidised copper, each socket is fitted with a factory-lubricated black EPDM O-ring certified for drinking water and central heating. Eliminates multi-fitting adapters, brazing torches, and hot works permits with permanent 16-bar cold mechanical joints.
M-Profile Copper Press Reducing Branch Tees
Branching 15mm radiator drops or secondary hot water feeds directly off 22mm, 28mm, or 35mm main distribution lines requires compact, high-flow hydraulic fittings. Conforming to BS EN 1254-7, our copper M-profile press fit reducing tees provide a seamless, precision-formed one-piece mechanical junction for BS EN 1057 copper pipe. By replacing bulky multi-piece combinations (equal tee plus fitting reducer), mechanical contractors eliminate redundant joints, streamline installation in restricted joist bays, and ensure smooth, laminar water distribution.
Engineering Specifications & Material Standards
| Parameter | Specification Standard |
|---|---|
| Fitting Body Material | Deoxidised High Phosphorus Copper CW024A / Cu-DHP (BS EN 1254-7) |
| Copper Tube Compatibility | BS EN 1057 (R250 Half-Hard / R290 Hard Table X) |
| Elastomeric Sealing Element | Factory-Lubricated Black EPDM (Ethylene Propylene Diene Monomer) |
| Press Profile Compatibility | M-Profile Press Jaws (Rothenberger, Milwaukee, Novopress, REMS, Klauke) |
| Operating Pressure (Water) | Max 16 bar (PN16) |
| Operating Temperature Range | -20°C to +110°C (-4°F to 230°F) |
| Safety Feature | Leak-Before-Press (LBP) bypass channel identifies unpressed joints |
| Statutory Certification | WRAS Approved Material, Water Supply (Water Fittings) Regulations 1999 |
Step-by-Step Installation Protocol for Reducing Tees
- Square Tube Cuts: Cut all connecting BS EN 1057 copper pipes cleanly at 90° using a rotary pipe wheel cutter. Hacksaws must not be used.
- Internal & External Deburring: Thoroughly deburr both the inner and outer tube surfaces on all three pipe ends using a calibrated deburring reamer. A sharp metal burr will tear the black EPDM O-ring during insertion.
- Insertion Depth Calibration: Measure socket depth for both the main run and branch sockets. Scribe the insertion depth onto each pipe end with a permanent marker.
- Inspect O-Ring Seating: Verify that all three factory-lubricated EPDM seals are clean, undamaged, and correctly seated in their toroidal grooves.
- Pipe Insertion: Push each copper pipe fully into its respective socket with a slight twist until it hits the internal stop and the insertion mark aligns with the fitting collar.
- Sequential Mechanical Pressing: Mount the calibrated M-profile jaw matching the main run diameter and cycle the press tool on both inline run sockets. Change to the corresponding smaller M-profile jaw (e.g. 15mm) and complete the press cycle on the branch socket.
Frequently Asked Questions: Copper Press Fit Reducing Tees
How do you read the three dimensions on a UK reducing tee?
UK reducing tees are designated as End 1 (Run Inlet) x End 2 (Run Outlet) x Branch (90° Side Outlet). For example, in a `22mm x 22mm x 15mm` reducing tee, the straight-through continuous main pipe remains 22mm, while the 90-degree side branch reduces down to 15mm for a radiator or appliance feed. In a reducing-run tee such as `28mm x 22mm x 22mm`, the main distribution line steps down from 28mm to 22mm immediately after taking off a 22mm branch. When only two dimensions are listed (e.g. `22mm x 15mm`), UK trade convention implies `22mm (Run) x 15mm (Branch)`.
Why use an integrated reducing tee instead of an equal tee paired with a fitting reducer?
An integrated reducing tee eliminates an extra joint, halves installation time, and reduces hydraulic turbulence. Combining an equal tee with a slip-in fitting reducer requires two separate pressing cycles and introduces an additional mechanical seam and EPDM O-ring into the pipework. A one-piece manufactured M-profile reducing tee provides a smooth, swept transition with superior flow dynamics (higher Kv value), eliminates a potential leak path, and fits into tighter joist bays and service risers.
How do I ensure pressing jaw clearance on the 15mm branch of a 22mm tee near a wall?
Maintain adequate wall stand-off clearance or pre-press the 15mm branch assembly on the bench before locking in the 22mm run. Standard radial press jaws require clearance around the fitting bead. When dropping down to a radiator valve trapped close to skirting or plasterboard, standard jaws may collide with adjacent masonry. Installers can use a compact mini-press tool with 15mm mini jaws, utilize flexible actuator press rings (slings), or pre-press the branch pipe into the tee before fixing the main 22mm distribution run.
What press jaw profile is required for these copper reducing tees?
All branches and run sockets strictly require M-Profile press jaws corresponding to each respective diameter. When pressing a `22mm x 22mm x 15mm` tee, use a 22mm M-profile jaw for the two inline run collars and switch to a 15mm M-profile jaw for the side branch collar. Compatible tool systems include Rothenberger, Milwaukee, Novopress, Klauke, and REMS. Never use V-profile or U-profile jaws on M-profile fittings.
Can this reducing tee be used on central heating primary flow and return pipework?
Yes, it is fully certified for central heating circuits up to 16 bar and +110°C. The factory-fitted black EPDM seals are resistant to hot water, hydronic pressure surges, standard commercial chemical inhibitors (such as Fernox F1 or Sentinel X100), and glycol solutions up to 50% concentration, making them ideal for stepping down boiler headers to individual heating zone circuits.
How does the Leak-Before-Press (LBP) safety feature protect unpressed branches?
Each branch and run collar features an engineered EPDM bypass channel that leaks fluid at 0.1 to 3 bar if accidentally missed during pressing. Because a reducing tee requires three separate pressing operations, an installer might occasionally press the two 22mm main sockets but miss the 15mm branch. During pre-commissioning low-pressure water testing, any unpressed socket produces an immediate visible drip, ensuring 100% joint verification before floors or ceiling voids are closed.
Order Trade Copper Press Reducing Tees Online
Available across all common reducing combinations from 22x15x15mm and 22x22x15mm up to 54mm in singles or discounted bulk contractor packs of 10, 20, and 30.
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