TT Prestige 110 with radiate floor heating worked fine for 10 years. The radiate side seems to work fine (boiler fires when heat is called) but the DHW side gives tepid or hot hot water. Changed the aqua stat no help. Standby temp (Standby Step1) goes from 88 to 140 and sometimes hovers at 120. Thoughts?
TT Boiler temp variation
- Thread starter Glenn D
- Start date
