Activity
 
Notifications
Clear all
Transparent
Transparent
@transparent
Moderator
Illustrious Member
Joined: Jan 20, 2022
Last seen: Jun 27, 2025
Topics: 16 / Replies: 2402
Reply
RE: Water pump operation choices on my Harnitek heat pump

So you have this model with an integrated 250-litre DHW cylinder. The Harnitek data sheet suggests that there are (at least) two pumps ...

5 months ago
Reply
RE: 4 port buffer tank connections

Wow! 😮 I think this needs raising with Citizens' Advice.They hold the remit for operating the Consumer Rights Act (2015). I suspect they ...

5 months ago
Reply
RE: water pump usage

O-er @ivanhoew You are going to get a mixture of replies to that.Let me start by suggesting how your heat-pump should've been commissioned.... ...

5 months ago
Reply
RE: 4 port buffer tank connections

... except the price. An installer can charge more for it having four ports. 😜

5 months ago
Reply
RE: 4 port buffer tank connections

I love the idea of HP manufacturers eventually getting to grips with HP 🤣 Would it be asking too much for MCS to do the same? Let's r...

5 months ago
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

Hmmm. Let me extrapolate further from your observation. If your house had a concrete pad in that hallway, with UFH embedded in it, then the sympto...

5 months ago
Reply
RE: 4 port buffer tank connections

Thanks @heacol Let me check I've understood those diagrams... Is the ASHP on the left and the radiator(s) on the right like this? I tak...

5 months ago
Reply
RE: 4 port buffer tank connections

I had assumed this subject could be described with static diagrams,which I could create if members here posted a doodle - literally on the back of an ...

5 months ago
Reply
RE: Just one room not reaching desired temperature

Why? That limits the amount of energy which can be delivered.So large emitters are more likely to struggle. I appreciate why you have used ...

5 months ago
Reply
RE: 4 port buffer tank connections

Erm...is it? 🤔 I'm finding this discussion very difficult to follow without diagrams. Even tho' I can broadly understand the text when re...

5 months ago
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

Thanks for the page @gary I'm re-posting it with higher resolution and colour correction to help with legibility 🙂 If you want to ...

5 months ago
Page 26 / 202
Share:

Join Us!

Trusted Installers

Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.

✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available

👉 Find your installer now!

Latest Posts