rip out warm air heating

You harp on about the need for extra servicing on unvented cylinders then recommend a product that, if faulty, can deliver CO around the whole house in a very short time. Warm air needs to be serviced on a regular basis and is generally dearer than a standard boiler to service through the need to remove components every time to check the heat exchanger integrity.

Copper coil heat exchangers can be used.

Room sealed units do not push CO around a house.
 
Once again your ignorance shines through. Fuel burning appliance, big fan. Room sealed or not does not make any difference, internal failure can lead to products of combustion being drawn into the warm air circulation. Not likely if it is serviced and checked regularly but still a possibility. Check your beloved google for deaths from warm air units versus deaths from unvented in the UK.
 
MATTYLAD WTF ARE YOU ON ABOUT AND john lewis what did you put in your first post, 2200 square foot
This is the AREA i am talking about not where you live , believe it or not Mattylad BIG houses take more pipe and rads to put heating into . basic.
Nothing to do with WHERE the house is :roll: :roll:
 
At least 2 zones plus HW for this size property as well, which roughly means 2 heating carcasses, double the pipe and double the time.
 
Once again your ignorance shines through. Fuel burning appliance, big fan. Room sealed or not does not make any difference, internal failure can lead to products of combustion being drawn into the warm air circulation.

I wrote: "Copper coil heat exchangers can be used." You obviously don't know what this is. It is a copper coil with water in it heated by a combi. When using these air flow and products of combustion are separate and in different locations.

You mentioned unvented cylinders. When they fail the results are catastrophic, like taking down the side of a house, hence why they should be banned again.

Your view is two wrongs make a right. That some appliances are dangerous so don't go for an equally dangerous one. You go for zero-risk.
 
John Lewis, you have said that you want a combi and the house is a four bedroom.

Are you aware that a combi will only supply ONE bathroom and even that depends on having a good mains supply pressure and flow?

Its unusual for a four bed house now to have only one bathroom and you have to consider how many people live there and may want to use the hitchen and cloakroom taps whils someone is taking a shower?

Like all the other experts on here ( BB is not one of them! ), I would expect that you need a cylinder. Even if there is only one bathroom and just two people living there then the house could always be sold to a large family.

Tony
 
Are you aware that a combi will only supply ONE bathroom and even that depends on having a good mains supply pressure and flow?

There are two bathroom combis around. They obviously never told you that on your 6 months Corgi course.

Get back to changing thermocouple leads.
 
You go for zero-risk.

The biggest risk to anyone on this forum is that they follow any advice that an unqualified moron like you gives. You know nothing about gas safety. You constantly try and put down those who know better than you. You are the biggest danger to the non qualified members who have the misfortune to read the drivel that you post.
 
The whole concept of giving advice is that the advice is practical and based on real experience of dealing with similar problems and will be achievable.

You have no experience of working on any real heating systems.

You would be totally stuck in the real world away from your brochures.

If you disagree, can you explain why we dont see you at exhibitions, CIPHE meetings, ARGI meetings or curry evenings?

You cannot answer that question!

Tony
 
first quote in 12 rads 3 towel rails and a choice of 3 boilers wb v or remeha

7.5k sounds dear to me
 

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