Replace the junction box cover and turn the power on at the circuit if your new water heater does not have power, turn the circuit off and check the connections. We can supply a range of other top grade tanks so please call anytime for a chat ! Visiting address: johannesfredsvägen . Servicing the new orleans metro area for over + years! We will discuss with you the options for disposing of boilers that have no sale value. Thankyou for the replies is it automatic.