You've done alright to get it at that. Most I've seen are £100 or more plus vat which is a bit rich.Dunno if an optimator flowmeter is better with regards to reducing gas surge (probably not much in it?), definately prettier/neater (less connections etc) and amost certainly more spendy? The 'full fat' optimator regulators are a combined dual stage regulator + a gas surge dodad all in one so very different, the optimator II is a dual outlet version
I wouldn't pay £140 for one either, mine cost £76+vat
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I'm not saying who i bought it from as it's less than their advertised price (which is still a chunk lower than £140) but FWIW i don't have an account with them, haven't spent loads of money with them and didn't need to barter, just asked if the advertised price was the best they could do
By more flexible i mean it's seperate from the regulator and fits on a valved Y splitter like any other flowmeter... if i want three outlets from one cylinder it's easy, if the reg gets damaged (or 'use by dates' are paid attention to for insurance or whatever reason) i don't have to replace the entire set up etc
Granted an optimator flowmeter + normal flowmeter + Y splitter + a dual stage reg is gonna more expensive than an Optimator II if starting from scratch