what kind of pump can I use with a combi boiler?

[cherpel]

to boost hot water in shower? Keeps cutting out, plumber says no to pump with combi but what about the new Salamander Home boost?

 

[Boilerman2]

The Homeboost boosts the incoming main, you could fit one of these as it would act upstream of the Combi, boosting both hot & cold water pressure/flow, however you don't state what your current flow rate & dynamic pressure actually is, if flow and pressure is that poor, it beggars belief that anyone would fit a Combi in the first place!!

 

[cherpel]

It was fitted 16 years ago, I have to make the best of it!

 

[Agile]

If you dont tell us your current flow rate ( dynamic if poss ) then we cannot advise you!

Tony

 

[cherpel]

Sorry I haven't a clue as they say, but I will ask my plumber on Friday, many thanks for your willingness to help.

 

[kvsalamander]

Good afternoon,

Our Homeboost will work if you have a low mains flow rate of between 3l/min and 12l/min by trying its best to bring your mains flow rate up to 12l/min, which it the legal maximum you can draw from the mains.

If you are wanting more than 12/l min you would need to install a break tank holding sufficient storage for your property and use a set of negative head pumps pumping from the cistern. One pump would boost the cold water around the property and the other would replicate mains water to the combi.

Regards

 

[cherpel]

Thanks for this! I am seeing my plumber tomorrow to discuss, but he did say there isn't a pump for combi boilers and I fear I am going to have a job convincing him about a new product that nobody seems to have heard of! Any testimonials from other clients or plumbers who have fitted these would help.

 

[kvsalamander]

I cant be seen to be advertising but if you contact a certain manufacturer (clues in my username ) and ask to speak with the tech team "they" can go through your options. I think "they" have a Homeboost video for an idea of how the pump works and will be on the website if you google Homeboost and the manufacturers name.

 

[ianmcd]

Cherpel listen to kvsalamander he works for them and knows what he is talking about , its very doubtfull if your plumber has any where near as much knowledge as Ken I would certainly never doubt him

 

[Boilerman2]

Where has the OP's plumbert been hiding for years!! Cold Water Booster sets are hardly new technology we maintain CWB sets manufactured in the 50's & 60's and indeed the water main network is maintained by Cold water Booster Pumps!!