The Altecnic 22mm Bi-Pass Valve Angled is a high-quality, durable valve that prevents your pump from overheating. It is easy to install and adjust, and it is made from high-quality materials that will last for years.
The Altecnic 22mm Bi-Pass Valve Straight is a high-quality, durable valve that protects your central heating system from damage. It is easy to install and adjust, and it is made from high-quality materials that will last for years.