Is water tank neccesary with combi boiler

cattie

I've always had combi boilers in the places I've owned & none of the homes have had a water tank.

Now I'm buying a new house & intend replacing the old conventional boiler & having the emersion heater removed in favour of a nice new combi boiler.

Apparently there is a water tank in a cupboard in the loft bedroom of the house & am wondering if this tank will be necessary when I have the new boiler installed? I'm unsure if having a combi boiler removes the neccesity for water tanks or is it one of those depends or maybe situations that only the plumber will be able to tell me once I'm in the house & ready to have the work done?

Any advice appreciated.

debbie42

cattie wrote: »

Now I'm buying a new house & intend replacing the old conventional boiler & having the emersion heater removed in favour of a nice new combi boiler.

Apparently there is a water tank in a cupboard in the loft bedroom of the house & am wondering if this tank will be necessary when I have the new boiler installed? I'm unsure if having a combi boiler removes the neccesity for water tanks or is it one of those depends or maybe situations that only the plumber will be able to tell me once I'm in the house & ready to have the work done?

I had this done a few years back. It removed the need for both the immersion heater and the (loft) cold water tank, in my case.

missile

No need for a cold or hot water tank with a combi. Make sure the combi powerfulful enough or you will have problem filling a bath, it can take forever. Pressurised system is a better but more expensive option.

kitchen_buff

You will not need the water storage tank in the loft or the immersion heater tank in the cupboard.
However you will have to buy a condenser combi boiler now. This is new regs.
Advice: do not go to Grittish Bas they are too expensive. Seek local plumbing and heating company, ask for references. Get a written quote not an estimate, then the price cannot change. Also mention to whoever does quote you that you looked on the watchdog and Which web site and they advised to use people locally. They will know that you are switched on and will be less likely to rip you off.

alanobrien

Actually you will not necessarily need any water tanks at all, including the one in the loft.

My previous house had a combi boiler and the water came straight from the mains - no storage at all so no tanks needed which was useful when we got the loft converted - no tanks to move

ormus

thats the great thing about combi boilers. no tanks (normally) required.
my boiler is in a bedroom cupboard. all the tanks in the loft etc.. were removed.
no pipes in the loft at all now. so more storage space. and no real worries of pipes freezing. (much less chance now).

tomstickland

My parents recently had a combi boiler fitted. They were recommended to have a small hot water tank fitted so that an electrical immersion heater could be used as backup if the gas fails.

jblack_2

You MAY still need the tank. A lot of houses have bathrooms etc which use cold water supplied from a tank not the mains.

If your house is fully mains supplied it'd mean no tanks needed for a combi. If anything uses a storage supply you'll need to either keep the tank or get the items converted to run of the mains.

It's not just hot water which uses tanks.

J

tomstickland

It's fairly simple to replumb the cold water to run off the mains though.