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Thanks for info. The inner diameter of the hose knee seems too small. I'm also a little worried that the relative heavy assembly starts to vibrate caused by the compressor.

Brilliant information Big Dave 💙

Thanks for the video, can i ask is it currently a regulation to sleeve or just advisable? i cant find any literature on if its mandatory...

Great point about slowing down the temp in freezing conditions!

Upper part of valve MUST be not insulated. Insulation only over the side but entire body upper and lower part must be left without asor caleffi instructions

Thanks for the video Dave! Nice and informative.

I was a bit disappointed Octopus didn't use Primary Pro when installing my heat pump as they just clipped the 28mm primary pipework to the external wall and lagged over the top of it meaning there were thermal breaks for every pipe clip. I ended up using cable ties as the lagging in a couple of places wasn't completely covering the pipes and when I put my fingers around the back of the lagging I could feel copper pipe. I also gaffa taped a few places and used around 70 cable ties so there is continuous positive pressure to keep the lagging closed together. Primary Pro would have made for a much better job.

Sound like Allen Hart, 😉

Would armaflex Lagging tape be a better sealing option ? Also other Antifreeze valve maunufactures say not to cover the valve as the valve does not potentially reach its lowest tempreture ? not sure whos right ?

What is the fit like around a corner when press fit fittings are used?

Think you forgot to weld that pipe

These are just the most helpful series of videos

Gold!

Want to make a video about getting the bits over the valves?

So tidy

When you use higher handle base valves, you have no problems with insulating. Removable insulation cover is also a way to solve that. Also, we use synthetic rubber adhesive to joint instantly insulation edges together(it is old butaprene base glue, now brands name: K-flex, Armaflex, Aerofoam, etc....glue). It can be extra secure with synthetic rubber (3mm) tape and any MS Polymere adhesive, to strenghten top of the seal and avoid future opening. But we do not use adhesive(like Bond&Seal) to fill up insulation gaps, it has poor insulating values. In heat pumps systems inside runs thermal bridges are not a big concern, but in freezers refrigeration lines yes....

Good video and well explained.

Really useful, thanks

nice products! how do I go about sourcing them in Australia?

Best way

*promo sm*

Nice. Will make a neater and quicker install

This might not apply to your insulation and installation method, but can you give some assurance that the following does not apply to your insulation. There have been incidents of severe corrosion of copper piping perforation when water vapour has condensed onto cold water copper piping that has been insulated. That corrosion seems to have been shown to be caused by chemical reaction when chemical leaches from the insulation To minimise the risk of such corrosion the pipes could be separated from pipe by using an oil based highly adhesive tape wrapped around the pipe and fittings or an internal coating on the inside bore of the insulation. Do you recommend pipe wrapping as a precaution or are you content that the insulation and sealing of joints will provide near perfect prevention of rain water and condensed vapour getting onto the copper pipework. I'd be happy to hear that your insulation and installation method is better than others on the market so perhaps no further precaution against corrosion could be necessary.

The sealing ring is the icing on the cake with a cherry on top for that professional finished product look

Thank you very much for checking with Caleffi since it's quite important to have every inch of installation outside insulated.

Nice and simple tutorial Dave1👍

Looking great Dave 👌

Normal house has 30kw boiler but only a 6kw heat pump and that includes the DHW. U cant afford to loose one ounce of energy so the old insulation methods are defunct. Primary pro is the only way to minimise losses to nil.

🤘😎🤘