DIY Forum

 

Ultimate HandymanUltimate Handyman on Pinterest

 

DIY Forum/Home improvement advice forum

 

 

A-Z CONTENTS | DISCLAIMER | DIY VIDEO | HOME | SAFETY FIRST | FORUM RULES

It is currently Mon Oct 22, 2018 11:06 am
Visit Hilti


Time zone: Europe/London [ DST ]




 

 


Post new topic Reply to topic  [ 6 posts ] 
Author Message
 Post subject: Air in dhw
PostPosted: Thu May 17, 2018 7:19 am 
Offline
Newly registered Member

Joined: Mon Jun 05, 2017 6:14 am
Posts: 37
Has thanked: 0 times
Been thanked: 4 times
Hi. I have a bungalow (2 bathrooms) with open vented dhw system with a cylinder next to one of the bathrooms. Both showers are fed off pumps.
I have been having trouble with air getting in the hot side of the showers- particularly the one next to the cylinder. I have had a Surrey / Essex valve fitted on top of the cylinder to no avail. Both bathroom showers are fed via this valve.
There is also an orange coloured grunfoss circulation pump to the left of the cylinder and the direction of flow is indicating away from the cylinder. Two different plumbers who are friends have said the pump is the wrong way round. I intend to reverse it but could someone please explain why
A- how air may be getting in.
B- the function of the pump as it seems to makes no difference if it is switched on or off.
Thanks.


Share on FacebookShare on TwitterShare on DiggShare on DeliciousShare on Google+
Top
 Profile  
Reply with quote  
 Post subject: Re: Air in dhw
PostPosted: Thu May 17, 2018 8:04 am 
Offline
Senior Member

Joined: Mon Apr 13, 2009 8:03 pm
Posts: 6939
Has thanked: 838 times
Been thanked: 928 times
Can't give any answers as to the air problem, but the bronze pump is to keep the hot water circulating without a tap on so when a hot tap is turned on, the water will be hot straightaway.

Is it a large bungalow with the hot taps a long way from the cylinder?

_________________
Dave

www.drlgas.co.uk


Top
 Profile  
Reply with quote  
 Post subject: Re: Air in dhw
PostPosted: Thu May 17, 2018 11:18 am 
Offline
Newly registered Member

Joined: Mon Jun 05, 2017 6:14 am
Posts: 37
Has thanked: 0 times
Been thanked: 4 times
Yes some taps are 20m away.


Top
 Profile  
Reply with quote  
 Post subject: Re: Air in dhw
PostPosted: Thu May 17, 2018 5:30 pm 
Offline
Senior Member

Joined: Mon Apr 13, 2009 8:03 pm
Posts: 6939
Has thanked: 838 times
Been thanked: 928 times
That is why you have the bronze pump then

_________________
Dave

www.drlgas.co.uk


Top
 Profile  
Reply with quote  
 Post subject: Re: Air in dhw
PostPosted: Thu May 17, 2018 5:56 pm 
Offline
Senior Member
User avatar

Joined: Wed Nov 14, 2007 10:21 pm
Posts: 7459
Location: Northampton
Has thanked: 316 times
Been thanked: 960 times
Are the pumps above the showerhead level?

_________________
As always help on here is free, however if you think you have saved a decent sum of money why not click the link to find out about the charity we're currently supporting? A couple of quid makes a real difference.

donnas-dream-house-charity-t52110.html


Top
 Profile  
Reply with quote  
 Post subject: Re: Air in dhw
PostPosted: Thu May 17, 2018 10:45 pm 
Offline
Newly registered Member

Joined: Mon Jun 05, 2017 6:14 am
Posts: 37
Has thanked: 0 times
Been thanked: 4 times
One shower pump is on the floor by the cylinder. The other bathroom has the pump to the shower in the loft space above. Both feed from the top of the cylinder however, the gold dhw circulation pump is pumping out of the cylinder via a pipe that is half way down the cylinder. Surely it should be pumping into it?
Sometimes when the nearest shower is turned on the shower pump screams as its just got air in it so i have to switch it off and run the hot water to let the air out.
Im stumped as to how air is getting in.


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 6 posts ] 

 

 



Time zone: Europe/London [ DST ]


Who is online

Users browsing this forum: No registered users and 0 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Visit Solent plastics


 

 

 

News News Site map Site map SitemapIndex SitemapIndex RSS Feed RSS Feed Channel list Channel list
ultimatehandyman privacy policy

Contact

 

Powered by phpBB® Forum Software © phpBB Group

phpBB SEO