Forum Title: Boiler making noises and gurgling sounds in airing cupboard after draining system
Hi I recently installed 2 new radiator valves in the bathroom and now when my boiler fires up it is very noisy after about 30 seconds and the cylinder in the airing cupboard makes gurgling noises so I have had to switch the boiler off. My initial thought is that air has got in the system - how do i clear this? I was told to run all the taps to clear it but that has made no difference. I have also bled and refilled all the radiators. There are 2 valves in the airing cupboard, see link below - will opening these release the air? Or may the problem actually be something else? http://imgur.com/a/NoDUS Many thanks for any advice!
Category: Plumber Post By: JEFFERY LARSON (Scranton, PA), 07/07/2017

turn off the boiler, find your fill valve, it should be near the expansion tank find your return line from the system open a bleed valve on the return line, and open the fill valve purge the system till the air is gone. turn on the pump go to your radiators and open bleed valves. to release air at high points turn off the fill valve, check the psi of your system and make corrections turn on the boiler

- JENNIE SHARP (Lancaster, CA), 09/05/2017

Quote: Originally Posted by frodo turn off the boiler, find your fill valve, it should be near the expansion tank find your return line from the system open a bleed valve on the return line, and open the fill valve purge the system till the air is gone. turn on the pump go to your radiators and open bleed valves. to release air at high points turn off the fill valve, check the psi of your system and make corrections turn on the boiler Thank you for that. Sorry I'm nt clued up on the technical terms but what I have done is open this valve (see image - http://imgur.com/a/QsWLL) and a lot of air came out. Whats next?! Turn on the pump? How do I do that? Thanks!

- AMANDA NELSON (Springdale, AR), 10/09/2017

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