I fitted our new bathroom last year, and sure as with all DIY plumbing work there were a few minor leaks which got sorted out soon enough.
I used the push-and-twist type plastic pipe connections throughout and since I made them up last year there have been no problems.
We are about to switch from a gravity fed system with a Baxi back boiler to a combi boiler system (Worcester-Bosch 30/37 CDi) and I am hoping that any increased water pressure won't cause the pipes to blow off, destroying our lovely new kitchen.
Our showere people said that the working pressure will be considerably higher, but I can't see how the boiler can increase the pressure of the cold mains water beyond its natural pressure. I understand that the HW would be pumped instead of gravity fed, however so I can see how the HW pressure might be increased.
I'm quite happy with the water pressure througout our house and I really don't want any higher pressure than is already there - our shower already almost knocks me over in the morning with the pressure of the water!
Is it safe enough to use plastic piping with push-fit connectors on a combi system? - there's now no way I can get to the connections without distroying either our lovely new bathroom or our beautiful new kitchen ceiling.
I was hoping to site the bioler in our utility rm feeding directly into the 15mm plastic pipework I fitted in the loft above our utility rm ceiling - hence my new connections are the first thing the H/C water will have to navigate through before finding its way into the rest of the system.
Is it the case that if these connections have lasted this long - one year old now - then they should be okay long term, or should I continue to lose sleep over it.
cheers,
Guy
I used the push-and-twist type plastic pipe connections throughout and since I made them up last year there have been no problems.
We are about to switch from a gravity fed system with a Baxi back boiler to a combi boiler system (Worcester-Bosch 30/37 CDi) and I am hoping that any increased water pressure won't cause the pipes to blow off, destroying our lovely new kitchen.
Our showere people said that the working pressure will be considerably higher, but I can't see how the boiler can increase the pressure of the cold mains water beyond its natural pressure. I understand that the HW would be pumped instead of gravity fed, however so I can see how the HW pressure might be increased.
I'm quite happy with the water pressure througout our house and I really don't want any higher pressure than is already there - our shower already almost knocks me over in the morning with the pressure of the water!
Is it safe enough to use plastic piping with push-fit connectors on a combi system? - there's now no way I can get to the connections without distroying either our lovely new bathroom or our beautiful new kitchen ceiling.
I was hoping to site the bioler in our utility rm feeding directly into the 15mm plastic pipework I fitted in the loft above our utility rm ceiling - hence my new connections are the first thing the H/C water will have to navigate through before finding its way into the rest of the system.
Is it the case that if these connections have lasted this long - one year old now - then they should be okay long term, or should I continue to lose sleep over it.
cheers,
Guy
It will be working at just under the cold mains pressure. You cannot have a pump of any sort with a combi boiler. Should not cause any leaks if ok now.
