New Boiler Worcester Greenstar 4000 combi frost protection (garage)

meat_n2_reg

Hello 

Currently having British Gas replace boiler ( located in garage ) and radiators .

Installer ( electrician ) has said not to fit an external frost stat as boiler has its own internal frost protection and its not needed 

Installer said that as there was only a small amount of pipework in garage , additional external frost stat not required 

I phoned Worcester Bosch technical team for advice who advised to go with installers recommendation and that there should not be a problem when I explained boiler location and pipe work 

Have looked a lot on-line and as always seems to be very mixed opinions and a grey area 

Original boiler has been in same location in garage for 20 years with out external frost stat and never had a problem ( just using boilers internal frost protect)

Would appreciate any help or experience 

Thanks for your help 

FreeBear

Just had a quick look at the technical & user manuals for the Greenstar boiler - Frost protection is built in, so the installer is correct, no external frost stat is required.

Make sure all your pipework is well insulated using the real thick pipe lagging. If you can, build an insulated cabinet around the boiler to keep as much heat in as possible.

When I was getting quotes for a new boiler install, one option that was floated was to put it in the garage. Yes, it would have saved a bit of space indoors, but I rejected it on the basis that frost protection would waste gas. In addition, the heat generated by the boiler when heating water or running the central heating would be wasted. Having got the new boiler installed in the hallway, the amount of heat coming from the casing is quite noticeable. During the winter, that extra little bit of heat will make a difference.

FrankRizzo

FreeBear said:

Just had a quick look at the technical & user manuals for the Greenstar boiler - Frost protection is built in, so the installer is correct, no external frost stat is required.

Make sure all your pipework is well insulated using the real thick pipe lagging. If you can, build an insulated cabinet around the boiler to keep as much heat in as possible.

When I was getting quotes for a new boiler install, one option that was floated was to put it in the garage. Yes, it would have saved a bit of space indoors, but I rejected it on the basis that frost protection would waste gas. In addition, the heat generated by the boiler when heating water or running the central heating would be wasted. Having got the new boiler installed in the hallway, the amount of heat coming from the casing is quite noticeable. During the winter, that extra little bit of heat will make a difference.

Hi FreeBear, how noisy is the boiler in the hall? Im a light sleeper and considering new boiler in bedroom cupboard, what do you think?

ThisIsWeird

Combis doing CH heating are usually very quiet, and I'd suggest wouldn't be a problem for most sleepers.

A combi firing up for DHW demand is quite a different thing, tho' .

FreeBear

ThisIsWeird said:

Combis doing CH heating are usually very quiet, and I'd suggest wouldn't be a problem for most sleepers.

A combi firing up for DHW demand is quite a different thing, tho' .

Can certainly confirm the noise increases considerably when the boiler is working flat out when hot water is initially called for. Don't know what the noise levels are like for central heating yet - Ask me again in December.

But based on what I've heard over the last few weeks, I'm not sure I'd want the boiler in a bedroom (even in a cupboard).

skycatcher

FrankRizzo said:

FreeBear said:

Just had a quick look at the technical & user manuals for the Greenstar boiler - Frost protection is built in, so the installer is correct, no external frost stat is required.

Make sure all your pipework is well insulated using the real thick pipe lagging. If you can, build an insulated cabinet around the boiler to keep as much heat in as possible.

When I was getting quotes for a new boiler install, one option that was floated was to put it in the garage. Yes, it would have saved a bit of space indoors, but I rejected it on the basis that frost protection would waste gas. In addition, the heat generated by the boiler when heating water or running the central heating would be wasted. Having got the new boiler installed in the hallway, the amount of heat coming from the casing is quite noticeable. During the winter, that extra little bit of heat will make a difference.

Hi FreeBear, how noisy is the boiler in the hall? Im a light sleeper and considering new boiler in bedroom cupboard, what do you think?

We had ours put in the hot press beside our bedroom. It was like a jumbo jet taking off so after changing just about everything in the boiler they moved it to the loft. I'll just have to accept any heat loss for being able to sleep!

meat_n2_reg

Thanks for the replies , all pipes have been lagged and everything installed 

The new boiler is much more quiet than old one , can hardly here it firing up 

Hive thermostat seems a nice bit of kit as well , all ready for the winter