Visit: [ Ссылка ] for more details & Next Day Delivery Compatible with Vaillant & Glow-worm combi boilers. With the Fit Once cartridge installed the diverter valve becomes an easy and low cost serviceable component.
![](https://i.ytimg.com/vi/rkeu1xslWXM/mqdefault.jpg)
Visit: [ Ссылка ] for more details & Next Day Delivery Compatible with Vaillant & Glow-worm combi boilers. With the Fit Once cartridge installed the diverter valve becomes an easy and low cost serviceable component.