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Could not get one of those check valve sparklers. But could get some diddy (10mm) check valve off eBay:[URL unfurl="true"]https://www.ebay.co.uk/itm/404275252530[/URL]I can fit those to my handpump nozzle (or in a threaded extension) and keep them in place with a sparkler or extension or both. (From Harry Mason's, those bits are interchangeable on other handpumps). Even though I've got solenoid valves on the outlets, I've always fancied check valves on the ends of the nozzles to prevent staling of any beer in the nozzle (I can remove the dependency on 24V lines and solenoid valves at a late date ... though they do keep the pump "locked" unless the gas is switched on ... that's getting complicated, it's just that this bar is designed by a paranoid Loonie - err, that'll be me!).
Could not get one of those check valve sparklers. But could get some diddy (10mm) check valve off eBay:
[URL unfurl="true"]https://www.ebay.co.uk/itm/404275252530[/URL]
I can fit those to my handpump nozzle (or in a threaded extension) and keep them in place with a sparkler or extension or both. (From Harry Mason's, those bits are interchangeable on other handpumps). Even though I've got solenoid valves on the outlets, I've always fancied check valves on the ends of the nozzles to prevent staling of any beer in the nozzle (I can remove the dependency on 24V lines and solenoid valves at a late date ... though they do keep the pump "locked" unless the gas is switched on ... that's getting complicated, it's just that this bar is designed by a paranoid Loonie - err, that'll be me!).