Solar expansion vessel connection set to use with Joule Solar thermal on-roof kits. For connection to the ¾" safety set. Suitable for 35Kg tank, diameter up to 440mm max.

Protector that prevents both system corrosion and limescale deposition. Maintains boiler and system efficiency. Prevents the formation of sludge and scale, contributing to a longer system life and helping reduce heating costs and maintenance bills. Suitable...