Truma Ultraflow Maxi Water Pump Assembly Caravan Motorhome Camper Van 46040-01. The Truma Ultraflow water pump assembly is ideal for those looking for a way to pump fresh water into their caravan from an external source. The ultraflow assembly connects to your Aquaroll or Waterhog and allows water to be pumped through to use in your caravan. This water pump assembly is compatible with both the Ultraflow Filter Housing and the Ultraflow Compact Housing. It comes complete with a trigger type connection, which can be simply connected to caravan and motorhome fresh water tanks. Please note do not run the pump out of water as this may cause damage. Flow rate: 9 litres, 1.2bar. Genuine Truma product number: 46040-01. Please check it is your inlet or electrics that may have gone faulty. All new Truma pumps are retail bagged and have kinks in the hose which is not a defect, this is normal and the kinks will disappear. This is the same no matter which supplier sells the pump. Please do not visit our shop without prior arrangements. Windy west caravan spares – suppliers of new caravan and motorhome spares based in Preston, Lancashire. We stock a wide variety of new OEM and aftermarket parts for your leisure vehicle at a discount rate compared to the main dealers.