Its clean enough inside and out to use on a swimming pool or Koi Pond .
Analogue control with temperature dial for full control 0 - 40 deg
Comes with safety flow control switch so it turns off automatically if the water shuts off.
comes with two new hose tails connectors to suit 40 and 32mm flexi hose
Stainless steel flow tube and heating element.
cleaned and tested and ready to use.
perfect for the larger pool or pond
full back up given if required and a copy of a user manual to help with the set up and how to use it correctly.
its a good buy it now price so no offers thank you
Thanks for looking