that RHP is WAY TOO HOT! u need to place the 2nd Herpstat probe somewhere below the RHP, not on the cool side unless there is a heat source there. secure the the probe to the sidewall halfway down from the RHP and like set it to 90; u can secure it w/ something like this: https://www.amazon.com/Fastener-Digi.../dp/B00UWUFPCQ