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DESO Watchman and Outlet Filter Pack

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Product Specification

Additional Information



Watchman Sonic oil tank pack consists of the industry standard Sonic Remote level gauge and a bottom outlet filter and isolate valve to allow for connection directly to a 10mm copper oil feed pipe.

The Sonic level gauge uses a transmitter on top of the tank and ultrasonic level measurement techniques to measure, continually, the level of oil in a tank.


  • No wiring required.
  • Easy installation – one 32mm hole in a tank. Pre-drilled with the Deso tank
  • Plugs into any 13amp socket.
  • Up to 200 metres line of sight range.
  • When the level of oil gets below 10% the fuel dispensing pump symbol appears, indicating to the householder that it is time to order oil.
  • When the level of oil gets below 5% then a led starts to flash indicating to the householder that it is critical that they order oil.
  • An audible low-level alarm can be set.
  • Fuel level visible from indoor comfort, convenience and security.
  • Comes with instructions on how to install.

The Bottom Outlet Oil Tank Fitting Kit is ideal for connecting the fuel supply line to a standard Bottom Outlet Heating Oil Tank with a 1″ BSP connection point. Supplied complete with oil resistant PTFE Tape and Jointing Compound to complete the installation, just connect 10mm copper oil supply line.

Supplied complete with:

  • 1″/0.5″ Reducer Lever Type Isolation Valve
  • Filter with removable Element
  • 3/8″ BSP(F) to 10mm copper compression fitting
  • Oil resistant PTFE Tape
  • Liquid Jointing Compound (Heldite)

This Pack is designed for standard bottom outlet bunded oil tanks and is ideal for Deso and other brands of a tank with a 1″ BSP outlet thread.

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