Viessmann Weather Comp Kit including Control Box B1GA - ZK07124

Please call to check availability before ordering Live Chat / 01985 850982

Upgrade your heating system with the Vitodens 100-W Type B1GA Heat Only Weather Compensating Kit. This kit includes an outdoor temperature sensor and cylinder demand terminal box, allowing for precise and efficient temperature control. Easily wire your Y-Plan mid-position valves for optimal W-Plan operation, and re-commission your boiler for weather compensated mode.