You just need to connect the sonoff to home assistant and it will do the rest. Pretty sure there is an integration for sonoff or flash it to tasmota to keep it local.This is sadly very interesting. How do you do this from a Sonoff TH10?
You just need to connect the sonoff to home assistant and it will do the rest. Pretty sure there is an integration for sonoff or flash it to tasmota to keep it local.This is sadly very interesting. How do you do this from a Sonoff TH10?
Slightly off topic but I thought some may be interested in the destratification pump. In short it doesn't circulate. I thought at first that either the double check valve was sticking or the pump was faulty. Alas no. After several emails and phone calls to the pump manufacturer and reading of the pump curves, I contacted the cylinder manufacturer. This took several attempts as the people on the helpline in India were clueless about this discontinued product. Today I managed to speak to a gentleman with a Brummie accent who knows his stuff and he told me that the cylinder has too high a resistance to fit a pump. He said several people tried over the years to do what I have done and none have been successful. I don't know if that's good to know or what but what a waste of time and expense. At least I didn't pay full price for the pump as it was off ebay, unboxed but unused. In retrospect I should have done this first but I've never heard of this problem before, as I've had destrat pumps fitted to loads of cylinders and calorifiers at work in the past.Just an update Harry. I installed the pump a couple of days ago. The pump is installed between the outlet and cold water inlet. I installed a double check valve prior to the pump and one on the cold water feed prior to where the pump tees into the cold water feed if you get my drift [If not I will try to explain better]. The pipe immediately after the the pump gets mad hot when the pump is activated but cools off after a foot. The system pressure is about 3.5bar and I'm not sure as to the "actual" flowrate of the destratification pump under these conditions. I expected a more rapid flow of water but it does work when I check the boiler readout where the sensor is at a similar level to the cold water inlet and the outlet Sonoff sensor. What I have noticed is that the 1 hour I have set the DHW to heat up the 300L cylinder is not enough to heat it up to anywhere near 60C from a 40C baseline. I will make adjustments as required as I do not want legionella in the system.
That's what I thought, but he was straight out with it and was obviously very aware of the situation. When the cylinder was initially installed I think it may have been the same chap I spoke to when I contacted them about the water hammer when an outside tap was opened. He knew the solution straight off, so I do respect his knowledge. Also the cylinder is discontinued now.@Pete the Feet Not sure what resistance they’re talking about. Seems you’re just putting in a secondary recirculating system with a very short run.
@Pete the Feet Not sure what resistance they’re talking about. Seems you’re just putting in a secondary recirculating system with a very short run.
Just what I thought on both counts. Draining down is a right pita, but I'll give it a go. I was going to try it without the check valve, then isolate as a test but the draining down is a rainy or snowy day job.A double spring check valve installed on the pump suction possibly the problem, probably ok if installed to the pump discharge, or install a swing check valve.
I finally got around to draining the system and fitting an additional isolation valve in order to experiment with and without check valves. Last week I removed the double check valve from the suction side of the pump and lo and behold it worked. However the downside of this is it won't work if you draw water off as it short circuits the cylinder. Today I fitted the double check valve in the the pump delivery and it didn't work; no surprises there. Now I don't know whether to try and easily available single check or search out a swing check, bearing in mind that it will be installed in a vertical pipe with the flow heading downwards to the base of the cylinder. No doubt a swing check won't be available in 22mm compression.A double spring check valve installed on the pump suction possibly the problem, probably ok if installed to the pump discharge, or install a swing check valve.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local