VAILLANT VU 466/4-5 & 656/4-5 SERVICE VALVE 0020059560
VAILLANT VU 466/4-5 & 656/4-5 SERVICE VALVE ( EACH ) 0020059560. Will fit: VAILLANT VU 466/4-5 BOILER. VAILLANT VU 656/4-5 BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.