Old bottle ones were stuck closed so just cut off them off, cleaned up the pipe and slotted these on. Three done in 10 mins... No air in CH anymore
great price / made by jg so top quailty and so simple to fit can either use with jg speed fit or copper
Perfect for the job quick fix easy to replace and easy to fit
handy easy to remove trapped air with black turn knob
Efficient, inexpensive and easy to fit
Works well - push fit onto a vertical pipe.