Hi Guys,
I live in a housing association property and we recently had a refurb. Our old style boiler with cold & hot water tanks was replaced with a Worcester Bosch GreenstarHE, all rads replaced, all valves replaced and some pipework near old boiler & tank sites replaced.
My issues are;
1. Some valves noisy, particularly when close to being shut.
2. At night the whole system sounds noisy, sounds like a cross between a humming and the flow of water.
3. A few months after the install someone turned up and fitted a round metal thing on a pipe near the boiler.
1 - On the bedroom rads we have Drayton TRV4 and other rads Peglar standard valves. Both are noisy particularly the closer to being off you adjust them. I've read there are two types of valve and some brands noisier than others.
What is the silentest and best valve to go for?
2. With the old boiler everything was almost silent with usual knock as pipes/rads warmed up and cooled. Now there seems to general and quite audible humming/flowing sound from pipes leading to rads which are turned on. When the boiler shuts off everything goes silent. I noticed the pressure was out of the green zone so I topped it up and now its quieter but not silent.
What could be the cause of the noise?
3. I've read that building regulation L states an automatic bypass valve must be fitted to systems after 2001.
Where would this valve be fitted on a system?
What is the round metal thing in the picture below? (was fitted month after boiler swap)?
(is it something important that should have been there from the start?)
Any help much appreciated as my ch noise is eating into my good nights sleep.
Thanks,
Mark.
I live in a housing association property and we recently had a refurb. Our old style boiler with cold & hot water tanks was replaced with a Worcester Bosch GreenstarHE, all rads replaced, all valves replaced and some pipework near old boiler & tank sites replaced.
My issues are;
1. Some valves noisy, particularly when close to being shut.
2. At night the whole system sounds noisy, sounds like a cross between a humming and the flow of water.
3. A few months after the install someone turned up and fitted a round metal thing on a pipe near the boiler.
1 - On the bedroom rads we have Drayton TRV4 and other rads Peglar standard valves. Both are noisy particularly the closer to being off you adjust them. I've read there are two types of valve and some brands noisier than others.
What is the silentest and best valve to go for?
2. With the old boiler everything was almost silent with usual knock as pipes/rads warmed up and cooled. Now there seems to general and quite audible humming/flowing sound from pipes leading to rads which are turned on. When the boiler shuts off everything goes silent. I noticed the pressure was out of the green zone so I topped it up and now its quieter but not silent.
What could be the cause of the noise?
3. I've read that building regulation L states an automatic bypass valve must be fitted to systems after 2001.
Where would this valve be fitted on a system?
What is the round metal thing in the picture below? (was fitted month after boiler swap)?
(is it something important that should have been there from the start?)
Any help much appreciated as my ch noise is eating into my good nights sleep.
Thanks,
Mark.