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	RE: Is a Valliant Inline 6kW heater a BUS buster? By JamesPa, 13 hours ago Forum Air Source Heat Pumps (ASHPs)
	Honestly I doubt, based on your oil consumption** you are on the tipping point between 17kW and 2*10kW, much more likely you are on the tipping point between 17kW and 12-14kW. However only a real mea...
	RE: Is a Valliant Inline 6kW heater a BUS buster? By GuydeB, 13 hours ago Forum Air Source Heat Pumps (ASHPs)
	thanks guys - I hear you on the not rushing and plainly we need to sort this heat loss, which is crucial (obvs) but also a bit like nailing jelly to the proverbial ceiling reading through contributors...
	RE: Humming sound on new install. By AllyFish, 14 hours ago Forum Air Source Heat Pumps (ASHPs)
	Roof trusses and dry lined ceilings are a massive sounding board. This is a very common issue with sparks who screw bathroom extract fans direct to roof trusses - they sound like a helicopter is landi...
	RE: Midea ASHP – how to set weather compensation By cathodeRay, 15 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa is right, typically they are far from linear, with most of the change in flow rate happening near total closure. Do be careful not to over-close them, though, as I mentioned before this can u...
	RE: Humming sound on new install. By JamesPa, 15 hours ago Forum Air Source Heat Pumps (ASHPs)
	Cant hear a thing with my 7kW Vaillant* so something is wrong. Can you tell whether its the water pump, the compressor or (unlikely) the fan. Its possible that the clipped primaries are transferring ...
	RE: Midea ASHP – how to set weather compensation By JamesPa, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	It's totally dependent on the lock shield, some are terrible and don't have any control until you get to the last quarter turn before they are closed, others are a bit better. You have to suck it and...
	RE: Is a Valliant Inline 6kW heater a BUS buster? By JamesPa, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	Vat free applies to supply and install only no DIY. Get a list of recommended installers from Grant, email them all with the same requirement. Ditto a few local MCS non-Grant installers. &nbs...
	RE: Midea ASHP – how to set weather compensation By pash44pump, 18 hours ago Forum Air Source Heat Pumps (ASHPs)
	@cathoderay and others. So now I am running an open system on WC. House is a little too warm (except the always problematic en suite). As @jamespa suggests, I want to run the upstairs rads at slightly...
	RE: Humming sound on new install. By AdamK, 23 hours ago Forum Air Source Heat Pumps (ASHPs)
	One other thing, I haven’t balanced the rads yet so currently just have the try end wide open.
	RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer By DREI, 23 hours ago Forum Air Source Heat Pumps (ASHPs)
	Funny story Graham, when I started looking to get the heat pump installer, Szymon from Urban Plumbers was the first one I contacted, as I watched pretty much all his videos. Despite being 50 mi...
	Humming sound on new install. By AdamK, 1 day ago Forum Air Source Heat Pumps (ASHPs)
	Had a new Vaillant 7kw installed with new 28mm runs for primaries and flow and return. I’ve got a variable pitch humming sound that resonates through the house depending on how hard the heat pump is r...
	RE: Is a Valliant Inline 6kW heater a BUS buster? By Temperature_Gradient, 1 day ago Forum Air Source Heat Pumps (ASHPs)
	Possibly not the answer you might want, but if it were me I wouldn't be in any rush at all and I would wait to see how the BUS scheme and the MCS rules develop over the next few years, along with impr...