Recent: Safely remove screen protector from a Macbook Air?

Mend > Home Heating Systems

Mend Valve Dhw Flow

what are the black plastic things for on the valves?

what are the black plastic things on the valves for i cant turn the isolating valve down to regulate the dhw flow

dave
February 2014

Automatic Answer

While you wait for answers, we may have found some information which could help you.

Click here for Valve Dhw Flow

Related Questions ...

Mend dhw water intermittent
1

biasi m90e 24s no dhw?

My hot water has been intermittent for a while now it's become worse. The heating is working fine. I have lo... [Read more]
Mend boiler heating fault
2

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [Read more]
Mend diaphragm diverter valve heating
1

how to fix a baxi 105e dhw flow problem?

Hi I have a reduced flow to my dhw on a baxi 105e checked and cleaned both cold water inlet and flow regulator... [Read more]
Mend boiler heating temperature
1

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]
Mend boiler thermistors diverter valve
2

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]
Mend boiler heating fault
2

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]
Mend boiler leak system pressure
2

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]
Mend combi heat exchanger flow rate
7

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]
Mend boiler heating relay
1

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]
Mend boiler combi heating
2

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]
Mend heating leak valve
3

DHW flow switch sticking/leaking?

I hope someone can give me some ideas? I have a Halstead Finest Gold and I am experiencing a problem with the ... [Read more]
Mend central heating hot water flow switch
2

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]
Mend combi boiler diverter valve fault
1

why does my combi boiler run a full pelt?

I have an alpha 240 eco combi boiler. On Monday i came home to find the heating had stopped working. On inspec... [Read more]
Mend combi fault demand
2

halstead combi dhw fault?

have an ace high combi model which responds and ignites to dhw demand, yet the water stays luke warm then some... [Read more]
Mend boiler heating hot water
1

How can I fix my Potterton Puma 100?

I have a Potterton Puma 100 which keeps closing down. I seem to cure the problem for a while but then it shut... [Read more]

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Home Heating Systems ...