Damian J Staron May 06, 2020 when water usage is not happening what did i adjust to keep the temp. Around 120. The mixing valve or the return valve. Then when water is being used, which valve should I adjust? Thanks Reply
when water usage is not happening what did i adjust to keep the temp. Around 120. The mixing valve or the return valve. Then when water is being used, which valve should I adjust?
Thanks