Water based

simply order next larger size

the motor magnet breaks free and the motor continues to run at a very low amp draw

Both have a 50

all with nickel-plated contacts

Vetus HF2419 - Hydrophor 24V 19 ltr pressurized tank Whitecap Water basedThis VETUS pressurized water system provides a constant flow in the fresh water circuit of the boat. It is comparable with a piped water system at home. The pressurized tank, with a rubber diaphragm inside, prevents the pump motor being started each time a supply of water is required. The diaphragm is suitable for fresh water and can be replaced. This system ensures a constant water flow, saving energy and minimizing noise. Supplied with: Self priming