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Watermaster Mains

Watermaster Mains

We deliver reliable products that are simple to fit and easy to use.

Whale Product Badge

The easy way to connect to mains water - simply hook up for a constant water supply without carrying heavy containers or draining your battery.

  • Now fits both Whale and Truma Sockets on UK vans
  • Suitable for use with caravans and motorhomes with either microswitch or pressure switch systems
  • Regulates mains water pressure to nominal 1.5 bar (max. 1.8 bar)

Kit includes:

  • 7.5m lay flat hose
  • Whale Plug
  • Tap to hose connector
  • Plug Adaptor compatible with Truma Ultraflow Sockets


  • Ensure your Watermaster Mains is unplugged when not in use or when van is unattended
  • Ensure Watermaster Mains is kept in a clean dry storage area away from direct sunlight when not in use
  • Can be used as a hose pipe by fitting the plug adaptor to the plug which will allow water to flow

Please Note: To use the Watermaster Mains Water Hook Up with an onboard Smartflo® pump, the inlet strainer (if included with the pump) must be removed.

Service Videos

Instant Match Wireless Kit - How it works

EM9433Watermaster mains


There are no currently no specifications for Watermaster Mains.

  • EM9403 Image
    EM9403 7.5m Hose Extension
  • EM9407 Image
    EM9407 Adaptor for Truma Crystal II Sockets
  • EM9408 Image
    EM9408 Adaptor for Truma Ultraflow Socket
  • EM9402 Image
    EM9402 Aquasource Mains Service Connection
  • EM9406 Image
    EM9406 Aquasource Connector

Whale products and services are available worldwide.
First choose a region, then select the country below for a list of distributors ( for trade/ retail customers) and retailers ( for consumers).