Oh yes I see. So if you can't put a probe away from the heating element, inside the balloon, you can fix it against the tube where the hot water comes out towards the house.
It will have to be put as close to the balloon, and insulated as best as possible so that it measures the temperature of the pipe, and not the temperature of the ambient air.
Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
The OpenJS Foundation | Terms of Use | Privacy Policy | OpenJS Foundation Bylaws | Trademark Policy | Trademark List | Cookie Policy