Grant filling loop allows the user to manually increase the volume of water within the central heating system if the pressure has dropped too low. Depending on the sort of appliance you have, filling loops may be internal or external. Due to water restrictions, the filling loop is typically removable if it is located outside of the appliance.
Fits multiple appliances
Technical specification
Waist Sizeaa57cj12gtTypeFilling Loop KitERP RatingNot ApplicableSupplier Part NumberMPCBS30Brand NameGrant