"I have used these on several occasions, mainly as isolators for taps and toilets. So far I have found them reliable. I prefer them to the screwdriver slot type as, in an emergency, anyone can quickly turn them off without having to go and find a screwdriver of the right size - particularly important for tenants in a rental property."
"I have used these to isolate for basin taps with flexible connections and they work very well. Good quality and appear very well made. I prefer to use these rather than standard ball valve with slotted turn for ease of use."
"Good quality service valve and there are some shockers out there! I generally remove the handle whilst tightening the compression joints as it allows you to get an adjustable on the body without damaging the handle"
"I have used with frequent failure, water leaks from the slot , the screwdiver slotted service valves over the years. I find these handled ones reliable and of course more user friendly as no screwdriver required to operate. Individually packed ensures nuts and olives don`t get lost."
"Good product and I have used plenty. However, the operating handle is of poor quality and several of mine cracked even before I installed them and had to be replaced. The 22mm version is even worse for this problem."