PRV Service Key Tool - Lucky!

Boilertools.co.uk Verified independent store

→

PRV Service Key ToolLucky! This handy PRV Service Key Tool is used to hold open the pressure relief valve when recharging an expansion vessel or draining an unvented cylinder.Can a lso be used on PRV's inside boilers Manually open the PRV and slide the PRV service key in the gap to hold the valve open. *Looks horseshoe, carry around a handy tool and a piece of luck! Show more