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What does TCO metered open circuit mean?

You mention the TCO is metered open circuit and that was contributing to the problem, what does that mean and how do I know if my TCO switch is doing the same

Lorraine, March 2015

home Fix label Bathroom Appliances label_important Baths and Showersdone

Looks like somebody answering has been using trade jargon

Helpful to a fault..., March 2015

Looks like the person posting the original question is following up replies to an earlier question. Unfortunately, she has started another thread. SHE knows what she is talking about but none of the rest of us have a clue.

X, March 2015

TCO= thermal cut out.It sits on top of the water tank and cuts out if the water temperature reaches dangerous levels,the result is cold water with possibly a temperature light or low flow light (if fitted) illuminating

toptrish, March 2015

TCO usually means Total Cost of Ownership

Metered Open Circuit very probably means
Found to be Open Circuit by using a continuity meter

I have no idea who said this or what it has to do with Baths & Showers or the unspecified problem you hint at.

Good luck nevertheless..., March 2015