Recent content by Philip134

Here is an update which explains how to incorporate a changeover relay so as to ensure that the thermostat operates as intended with a 'standard' mid-position valve. Installing a Potterton PTT2 Cylinder Thermostat Faced with this problem I found lots of confusing and incomplete information on...

Yes - UK recommendations particularly for non domestic buildings are for 60 degrees. However in North America (and perhaps elsewhere) the recommended temperature is 49 degrees. Regulations state WHILE THERE IS A VERY SLIGHT RISK OF PROMOTING LEGIONELLAE BACTERIA WHEN HOT WATER TANKS ARE...

Faced with this problem I found lots of confusing and incomplete information on various sites. So this note gives the benefit of my experience in getting this cylinder stat working. Most commonly people will be replacing a bi metal mechanical thermostat which sits on the cylinder with this...

Pictures to go with fitting note