Truma Ultrastore Non Return Valve

Truma water heater non-return valve. Ultrastore / Boiler Series 3 (07/93 onwards), Ultrastore Rapid GE, Boat Boiler Series 2 (06/96 to 06/02), Boat Boiler Series 3 (07/02 onwards), Electro boiler (05/04 onwards). (70000-03300)