¾" - York Brass non-return valve, Spring loaded, Type YORK, Female thread x Female thread Thermometers Particularly suited for use on

Particularly suited for use on house mice

releasing the chain

+/-3% accuracy

Permanent load control

¾" - York Brass non-return valve, Spring loaded, Type YORK, Female thread x Female thread Thermometers Particularly suited for use on" York Brass non return valve, Spring loaded, Type YORK, Female thread x Female thread What does this product do? The direction of flow of water is stamped into the body of the valve, once the water has passed through the valve it cannot return back from where it came from. Where can I use this product? Check valve suitable for domestic water services, heating and air conditioning plants, compressed air systems Specification: Check valve suitable for