Search found 5 matches

by Nozza
Mon Apr 05, 2010 8:20 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Mixer tap on an unvented system
Replies: 1
Views: 2860

Mixer tap on an unvented system

A customer of mine has been through 2 Bristan basin mixers, same problem, keeps leaking after about 2 years. Whilst I was there she also explained that when they run a bath on the 1st floor and then open the mixer tap on the 2nd floor there is a hiss and a thud as if the water has been drained from ...
by Nozza
Mon Apr 05, 2010 8:12 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Combi boiler not holding pressure
Replies: 3
Views: 4420

Found it

Thanks for you help, it was a leak after all. It was coming from the flow pipe at the connection to the boiler, I think the leak was so small the water was evaporating when the pipe-work was hot.
by Nozza
Sun Mar 14, 2010 7:31 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Combi boiler not holding pressure
Replies: 3
Views: 4420

Combi boiler not holding pressure

Hello, My daughter has just bought her first house which has a combi boiler. The house was a repossesion and the heating system had been drained down for a while, possibly 4-5 months before they got the house. We have filled the system back up and it runs fine. However we keep loosing pressure over ...
by Nozza
Sun May 04, 2008 6:18 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Adding a thermostat to the hot water tank
Replies: 1
Views: 3300

Adding a thermostat to the hot water tank

I want to put a thermostat on the hot water tank.

I also want to be able to have Central heating only, without having to heat up the hot water tank.

The boiler has a switch which allows me to have 'Hot water' or 'Hot water and Central Heating'

Is this possible?

Thanks
by Nozza
Sun May 04, 2008 6:11 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Pipe sizes for new thermostatic mixer shower
Replies: 1
Views: 9253

Pipe sizes for new thermostatic mixer shower

I am fitting a new Mira Discovery thermostatic mixer shower in the bathroom. The hot water comes from the combination boiler. The pipe size which connects to the valve body is 15mm. The existing hot water supply pipe under the floor boards is 22mm. Do I need to change the 22mm pipe under the floor b...
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