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Post by wingnut on Sept 27, 2020 8:56:01 GMT
Hello all
I’ve just had a new boiler fitted and the installer recommended fitting a frost stat as it’s in an outhouse, I’m looking at a Honeywell T4360A1009 couple of questions
1. Do I need one
2. If so what’s the wiring procedure
Ta muchlies
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Post by battle1066 on Sept 27, 2020 10:13:53 GMT
Since the install location could easily freeze I would fit one if it was my home.
Normally a simple job as many boilers have the facility linked out - so its a simple remove the link and the connection of your stat to that location. Now there's loads of more complicated ways to connect into the system with pipe stats etc but what is the priority item is that this frost stat overrides all other instructions eg programmer on / off times etc. To ensure the boiler fires into operation at the desired protection temperature.
So check the boiler wiring diagrams/ instructions and see if you can find the frost stat terminals within the terminal strip first.
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Post by crowsfoot on Sept 27, 2020 11:32:20 GMT
I thought all modern boilers had one built in these days?
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Post by wingnut on Sept 27, 2020 12:08:27 GMT
I thought all modern boilers had one built in these days? Not sure but for £25 it’s better to be safe than sorry |
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Post by battle1066 on Sept 27, 2020 17:49:31 GMT
For that type of job I personally prefer a thermostat which has the facility to shows the actual ambient temperature of the space the boiler is installed in and must be mains operated not battery. Why it makes checking simple and I've had more hassle of batteries failing due to the cold temperature it's meant to be protecting against.
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Post by dickpuller on Sept 28, 2020 11:01:52 GMT
Hello all I’ve just had a new boiler fitted and the installer recommended fitting a frost stat as it’s in an outhouse, I’m looking at a Honeywell T4360A1009 couple of questions 1. Do I need one 2. If so what’s the wiring procedure Ta muchlies Yes, needed in a location that may freeze. A integral boiler Frost Stat will only protect the boiler, not the system. For the system you need a Frost Stat & Pipe Stat. The pipe stat goes on the CH Return pipe. This will shut down the CH when it’s up to temperature & it’ll not run continuously, even in Freezing weather. Both stats are wired in series; static-cdn.imageservice.cloud/5224209/installing-a-pipe-stat-in-series-with-existing-frost-stat-diynot.jpg |
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