Thread View: pdaxs.services.plumbing
3 messages
3 total messages
Started by Eric Mamet
Fri, 19 Apr 2002 20:56
Is there such a thing as a silent one-way valve?
Author: Eric Mamet
Date: Fri, 19 Apr 2002 20:56
Date: Fri, 19 Apr 2002 20:56
16 lines
1972 bytes
1972 bytes
We had a big extension done in our house several years ago. Unfortunately, the plumber who did the work was "not too good at it" and the builder realised it only once everything was finished. The central heating and hot water systems were helping each other vigorously! If you put the Hot Water on, the radiators became hot, etc... A couple of plumbers tried to fix the damage and they came up with a set of one way valves to keep the two circuits apart. That seems to work (not perfectly) but is extremely noisy. Because the builder was on a very tight budget at the time, I wonder if this could be made more silent by changing the one way valves to some quieter models... Hence, the question: Is there such a thing as a silent one-way valve? Thank You!
Re: Is there such a thing as a silent one-way valve?
Author: Andrew Vevers
Date: Sat, 20 Apr 2002 08:57
Date: Sat, 20 Apr 2002 08:57
45 lines
3469 bytes
3469 bytes
"Eric Mamet" <eric@nospam.com> wrote in message news:0v%v8.3657$DZ2.857956@news6-win.server.ntlworld.com... > We had a big extension done in our house several years ago. > Unfortunately, the plumber who did the work was "not too good at it" and the > builder realised it only once everything was finished. > The central heating and hot water systems were helping each other > vigorously! If you put the Hot Water on, the radiators became hot, etc... > A couple of plumbers tried to fix the damage and they came up with a set of > one way valves to keep the two circuits apart. > That seems to work (not perfectly) but is extremely noisy. > > Because the builder was on a very tight budget at the time, I wonder if this > could be made more silent by changing the one way valves to some quieter > models... > > Hence, the question: Is there such a thing as a silent one-way valve? > > Thank You! Eric are you sure it's the valves causing the noise? Could it be air bubbles in the system. My system doesn't have one way valves, but has electrically operated gate valves, which shut off or open up the circuit to the hot water and heating as necessary. When both circuits are in use they are balanced with fixed valves so the main flow doesn't automatically take the easy route round the hot water circuit. This is a conventional gravity fed system, not a combi boiler. Early on I was having trouble with constant bleeding out of air from the radiators, until I reasoned out how to automatically bleed them. I thought I'd come up with a new invention, but it turns out there's a device already commercially available, not that the plumber seems to have known about such a thing. The water flow runs into a vessel which is large enough to give time for any air bubbles to float to the surface and they are then vented off. The other thing that helped was to turn down the speed on the pump. Mine has 4 speeds operated by a switch on top. Speed 4 is too noisy, but speed 2 OK. Andrew
Re: Is there such a thing as a silent one-way valve?
Author: Eric Mamet
Date: Sat, 20 Apr 2002 10:22
Date: Sat, 20 Apr 2002 10:22
64 lines
3845 bytes
3845 bytes
Although I am not even an amateur on plumbing, I am almost certain that it's the valves. The system did not work properly but it was quiet before! Having said that, I'll have a look on the pump speeds Cheers "Andrew Vevers" <andrewvevers@environmentalconsultants.co.uk> wrote in message news:G7aw8.1443$b5.380152@newsr2.u-net.net... > > "Eric Mamet" <eric@nospam.com> wrote in message > news:0v%v8.3657$DZ2.857956@news6-win.server.ntlworld.com... > > We had a big extension done in our house several years ago. > > Unfortunately, the plumber who did the work was "not too good at it" and > the > > builder realised it only once everything was finished. > > The central heating and hot water systems were helping each other > > vigorously! If you put the Hot Water on, the radiators became hot, etc... > > A couple of plumbers tried to fix the damage and they came up with a set > of > > one way valves to keep the two circuits apart. > > That seems to work (not perfectly) but is extremely noisy. > > > > Because the builder was on a very tight budget at the time, I wonder if > this > > could be made more silent by changing the one way valves to some quieter > > models... > > > > Hence, the question: Is there such a thing as a silent one-way valve? > > > > Thank You! > > Eric are you sure it's the valves causing the noise? Could it be air bubbles > in the system. > > My system doesn't have one way valves, but has electrically operated gate > valves, which shut off or open up the circuit to the hot water and heating > as necessary. When both circuits are in use they are balanced with fixed > valves so the main flow doesn't automatically take the easy route round the > hot water circuit. This is a conventional gravity fed system, not a combi > boiler. > > Early on I was having trouble with constant bleeding out of air from the > radiators, until I reasoned out how to automatically bleed them. I thought > I'd come up with a new invention, but it turns out there's a device already > commercially available, not that the plumber seems to have known about such > a thing. The water flow runs into a vessel which is large enough to give > time for any air bubbles to float to the surface and they are then vented > off. > > The other thing that helped was to turn down the speed on the pump. Mine has > 4 speeds operated by a switch on top. Speed 4 is too noisy, but speed 2 OK. > > Andrew >
Thread Navigation
This is a paginated view of messages in the thread with full content displayed inline.
Messages are displayed in chronological order, with the original post highlighted in green.
Use pagination controls to navigate through all messages in large threads.
Back to All Threads