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Or as your man merkin said earlier the suave digital manifolds are an option at (£400+vat) & they'll show possitive & negative pressures. Still need that OfN regulator tho (£180) proper pressure test remember. Oh & a vacuum pump @ (£200) Sterling advice lads. Better off just inviting a...

Really???? So enlighten me then from your extensive knowledge other than the 10G's vapour loss what's the F-ing issue?????? We're talking about a grow room let's not get pretentious. It's a grow room cheap A/C system NOT me showing up at your house as professional. So that little statement...

Or perhaps... the dog licks your face, wakes you up. realise you've been dreaming all those "fixing bad engineering practices" AND you've Pished the bed. time to get up, change the bed sheets, & be a keyboard warrior quoting Google?????? My scenario sounds the more likely reading what you've...

Footnote* Admittedly I don't practice the purge method professionally as the kit I'm dealing with is too expensive. But I have observed it on cheaper models I'll try remember their names for the orical aka merkin. I shall provide a link as well. Horses for courses tho. a £500 mitsubishi...

Merkin I personally think you need to F-off under a bridge and troll elsewhere... Not the first time I've read you getting lemon with replies on here. Just a Banger! Curious your experience & or expertise in the fridge game tho????????? Or is it just Google quotes we're getting...

But I guess I'll leave the HVAC to the professionals. Anyway hi guys :) I'm here to do more listening, than talking. Just thought my level 3 city & guilds in refrigeration & A/C may have came in handy on this topic ;)

Hi, & @ merkin & this is actually as per manufacturer advice on some models. In the trade we use a manifold gauges between the vacuum pump & outdoor unit. Otherwise there's no method of sealing the system & holding the negative pressure. When taking the above mentioned manifold gauge lines off...

Oh and a bit of washing up liquid on your fingertip & run it around the flare nuts (where male & female part) meets & watch for bubbles... There's only 4 leak locations the 4 flare nuts. Obviously this is after the pre-charged refrigerant is released from compressor/small internal accumulator...

Hi as an A/C engineer here in the UK first flare nuts I personally never use a torquey just 2 shifters & tighten until you're using about 100% strength for 5/8 nuts 80% for 1/2 size & only about 50% for 1/4 they're a bit fragile and can split. Secondly it's possible without a vacuum pump/torr...