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by htg engineer
Mon Dec 22, 2014 3:56 pm
Forum: Fixing to Walls Issues and Problems Forum
Topic: Help With Rawl Plug Removal Questionnaire
Replies: 1
Views: 2136

Re: Help With Rawl Plug Removal Questionnaire

Old screw and pliers always does the trick, screw in the screw 2/3 turns then pull. So no I wouldn't waste £6.
by htg engineer
Mon Dec 22, 2014 1:52 pm
Forum: Bathrooms, Drainage and Waste Plumbing Forum
Topic: Fitting New Mixer Shower Over Bath - Pipe centres at 200mm?
Replies: 3
Views: 5009

Re: Fitting New Mixer Shower Over Bath - Pipe centres at 200mm?

You can get mixer showers with adjustable centres. Just need to shop around.
by htg engineer
Mon Dec 22, 2014 1:08 pm
Forum: Plumbing Forum
Topic: Help With Bleeding a Radiator in a Loft Conversion - Advice Needed
Replies: 3
Views: 4025

Re: Help With Bleeding a Radiator in a Loft Conversion - Advice Needed

You'll always get air at the highest point of a heating system, if it was a commercial installation it would have Automatic Airvents at this point, you need to find out how the system is filled, as you need to vent the radiator until water appears at the radiator vent - but if you do this without re...
by htg engineer
Mon Dec 22, 2014 12:27 pm
Forum: Plumbing Forum
Topic: 150 Litre Horizontal Boiler Dropped From 6ft - is it ok?
Replies: 2
Views: 1805

Re: 150 Litre Horizontal Boiler Dropped From 6ft - is it ok?

Entirely up to you, as you don't give the make model it's not possible to give advice on things to check.

If it's a cylinder with electrical connections, I would check for leaks, get an electrician to check electrical components, if they're okay then there's no need to replace.
by htg engineer
Mon Dec 22, 2014 12:21 pm
Forum: Renewable Energy Forum
Topic: Use warm air from loft space?
Replies: 4
Views: 6821

Re: Use warm air from loft space?

The loft only gets hot on summer days, normally when you want the house to be cooler not warmer?

In the winter when you want heating the loft will be cold. You'd be better spending money on loft insulation to prevent heat rising and escaping through the loft/roof when you have the heating on.
by htg engineer
Mon Dec 22, 2014 12:17 pm
Forum: Renewable Energy Forum
Topic: Solar panel to heat hot water cylinder.
Replies: 1
Views: 3759

Re: Solar panel to heat hot water cylinder.

The cylinder needs to be one suitable for solar connections, although you might be able to get a heat exchanger to attach to the existing cylinder. Due to the high temperatures involved you cannot connect directly unless the joints are made of silver solder. I'm not sure what you want if you "d...
by htg engineer
Mon Dec 22, 2014 11:03 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Low Mains Water Pressure - Installing Combi Boiler to get Good Pressure From Mains for Shower
Replies: 1
Views: 5955

Re: Low Mains Water Pressure - Installing Combi Boiler to get Good Pressure From Mains for Shower

If you have low water pressure or flow then you'll never get a good shower off a combi boiler. You'd be best going for stored hot water.

Are your neighbours the same? if not try renewing your mains stop tap as there could be a slight blockage or the valve might be jammed.
by htg engineer
Mon Dec 22, 2014 10:57 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: help with baxi condensing boiler
Replies: 7
Views: 25405

Re: help with baxi condensing boiler

The noise could also be from the expansion vessel, if the pressure is rising only when the boiler is in use and discharging to outside. Check the Schrader valve on top of the pressure vessel. If there's water the vessel needs replacing, if there's air or nothing then you might be able to re-pressuri...
by htg engineer
Mon Dec 22, 2014 10:49 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Using Central Heating Timer for Worcester Greenstar - Advice Needed
Replies: 3
Views: 8597

Re: Using Central Heating Timer for Worcester Greenstar - Advice Needed

You need the instructions for the programmer to use it properly. Basically if you press the select button the light should move from On/Off/Auto/All Day If you set to All Day it'll bring the heating and/or hot water ON at the first On set point and go OFF at the last Off set point. For example if yo...
by htg engineer
Mon Dec 22, 2014 10:41 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Hot Water Underfloor Heating - Does the Boiler or Manifold Deal With Temperature?
Replies: 1
Views: 3202

Re: Hot Water Underfloor Heating - Does the Boiler or Manifold Deal With Temperature?

The manifold should have a mixer valve with 3 ports, it'll circulate itself with it's own pump - mixing the return and flow to get the desired temperature.

https://www.google.co.uk/url?sa=i&rct=j ... 1263735933
by htg engineer
Mon Dec 22, 2014 10:39 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Potterton Promax Combi - What is the Best Wireless Thermostat to use?
Replies: 1
Views: 5823

Re: Potterton Promax Combi - What is the Best Wireless Thermostat to use?

All comes down to personal choice, there's many out there now from basic mechanical timers to one's you can control from your mobile/computer.

https://www.plumbnation.co.uk/site/baxi ... tAodojoAkw

This type will connect straight to the boiler, where the current mechanical timer is.
by htg engineer
Mon Dec 22, 2014 10:32 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Worcester 28i RSF PCB and Plate Removal Question
Replies: 1
Views: 5942

Re: Worcester 28i RSF PCB and Plate Removal Question

It should just lift off once you have removed the 4 screws, the transformer protrudes through the cover this might be stopping the plate from coming off. The transformer is plugged into the PCB, you may need to press down on the transformer with your thumb as you lift the plate off.
by htg engineer
Mon Dec 22, 2014 10:17 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Worcester 24i Junior RSF Combi Boiler Central Heating Problem - Boiler Cuts Out and Fault Light Flashes
Replies: 1
Views: 8484

Re: Worcester 24i Junior RSF Combi Boiler Central Heating Problem - Boiler Cuts Out and Fault Light Flashes

There's normally a pattern to the fault light flashing, if you can find the manufacturers instructions it'll have numerous combinations (flashes per second/minute) which should point you in the right direction. Are the radiators or hot water getting hotter than normal? if everything is working as he...
by htg engineer
Mon Dec 22, 2014 10:04 am
Forum: Plumbing Forum
Topic: Briston shower valve - how to remove end cap on mixer?
Replies: 1
Views: 8808

Re: Briston shower valve - how to remove end cap on mixer?

Valves vary depending on make and model, the caps normally do just pop off with the use of a screwdriver or similar, then there'd normally be a retaining nut or screw underneath. Have you tried Googling the make and model to see if you can find the installation/servicing instructions?
by htg engineer
Mon Dec 22, 2014 10:01 am
Forum: Gas and Gas Fitting Forum
Topic: How to Identify What's in a Pipe - Unidentified Capped 15mm Copper Pipe
Replies: 4
Views: 13666

Re: How to Identify What's in a Pipe - Unidentified Capped 15mm Copper Pipe

As it is a 'dead leg' the temperature wont change when the heating or hot water are used as there's no flow. It could be a gas pipe, or could be an old redundant pipe that has leaked in the past and been capped off elsewhere. You're right there's no way of a Gas Safe Registered engineer identifying ...
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