Speedfit is absolutely fine, but don't use inserts! But do make sure the copper pipe ends are de-burred fully and push them in carefully, making sure they go in the full depth..
In respect to this, can you use Speedfit fittings on central heating?
Yes these plastic fittings can be used to join to new or existing copper pipework (not chromed pipe though), they are suitable for use on central heating as well as domestic water plumbing.
One may also ask, is Copper push fit suitable for central heating? Push fit fittings and pipes, like copper, can safely withstand heat and pressure so they're suitable for water and heating systems.
Similarly, can you use push fit on radiators?
Speedfit can be used on central heating and /should withstand the heat. Many products will also state if suitable for CH and/or cold water. Don't forget inserts on plastic pipe!
Are push fit connectors any good?
Benefits of Push-Fit Fittings Push-fit fittings are a great way to make pipe connections without having to solder or use clamps, unions, or glue. Pipes need not be perfectly dry when using push-fit fittings. Push-fit fittings are easily removed so they can be repositioned as needed.
Related Question Answers
Can you reuse push fit plumbing?
The push-fit connections you describe are just that – they seal themselves under water pressure by means of a rubber O-ring and toothed metal grab-ring. Some brands, such as Speedfit, can be removed by hand and reused; others can be removed using a special tool; some others cannot be removed or reused.What size pipe should I use for central heating?
Pipework. The radiator circuits in most modern wet central heating systems are made from standard 15mm copper pipe, while the pipes that link the boiler, pump and points where the circuits split off will be 22mm or 28mm in diameter.Can I use push fit for gas?
Speedfit is not only used for plumbing - it is used in aircraft, submarines and automobiles for fuel lines etc.! Of course copper is good too and soldered joints are excellent but NOTHING is foolproof and ALL joints have the potential to fail.Can I use plastic pipes for central heating?
Plastic pipe systems can be used in exactly the same way as those utilising traditional materials, however the flexibility of most plastic pipe provides a wider and more flexible range of design options. Many manufacturers supply manifolds for use on central heating systems.Can you use push fit fittings on copper pipe?
Push fit fittings can be used on copper or plastic pipe but not chrome plated pipe as the grip rings in the fittings are not strong enough to grip the chrome. To join two chrome plated pieces of pipe a compression joint is recommended unless you want to remove the chrome plating from the pipe first.Does Speedfit pipe need lagging?
No, speedfit reccommend same standard as lagging as copper pipe. Do I need to insulate a Speedfit Plumbing System? The insulation requirements for Speedfit are the same as for copper. Therefore, if there is a danger of freezing or excessive heatloss the system should be insulated.How long do Speedfit fittings last?
speedfit = 25 years, hep20 = 50 years.Can central heating pipes be chased into walls?
Chasing heating pipes into walls is not the work of a professional. Yes you will get cracks plus the heat will get drawn into the wall making it nice and warm.How do you hide radiator pipes?
You can box in the pipes Boxing in is the most popular way of concealing radiator pipes. You can achieve this feat by constructing a box around the pipework starting from the wood to the plasterboard covering all pipes along the line. It could be in a kitchen, a bathroom or even a living room.Can you tee off an existing radiator?
Re: Adding a new radiator. Can I tee off existing 15mm pipe? Yes take it off the 22mm, you'll need to balance the system later. Make sure you well lag the pipe under the floor and in exposed areas.Can you plaster over push fit?
Pushfit fittings should not be covered over in plaster. The o ring needs to be energised for them to seal and that can involve a small amount of movement in the pipes. If the pipes can't move the fraction required, you run the risk of a leak.Can you use flexible connectors for radiators?
Flexible hoses are available for use on central heating radiators. Smiths supply them for use with their Space Saver kick space heaters.Are SharkBite push fittings reliable?
If you need to repair or replace copper plumbing in your home, a SharkBite fitting is an excellent choice. Sharkbites are approved for use underground and behind walls, but installing them there could be risky. A SharkBite fitting contains a rubber O-ring, which is not best for permanent connections.Do I need to insulate PEX pipe?
Yes, I'd insulate: not least because the water in the pipe will stay warmer longer. Although PEX is a better insulator than copper, having hotter water come through the pipe faster is a good thing. Grab your pex and see what you can feel.Can JG Speedfit be used on copper?
Speedfit fittings can also be used with copper pipe.Can I use speedfit for central heating?
Can I Use SPEEDFIT For Central Heating? Yes these plastic fittings can be used to join to new or existing copper pipework (not chromed pipe though), they are suitable for use on central heating as well as domestic water plumbing.Can you lay copper pipes in concrete?
Unfortunately, just because copper is resistant to corrosion, it doesn't mean copper can't corrode, especially if it's installed underground or inside concrete slabs. If the copper pipes were joined using lead solder, the solder can break down, creating leaks around seams, joints and fittings.Is push fit or solvent weld better?
The solvent cement welds the pipe and fitting together to make a permanent joint. The main difference once the joint has been made is that Push Fit joints can be taken apart again whereas Solvent Weld joints are permanent. Visually, Solvent Weld fittings are slightly more slimline than their Push Fit counterparts. 
