Fall pm on 09/17/19 On arrival set unit to call for heat measured supply and return air temp measured voltage and amps inspected electrical connections checked drain and cleaned checked air filter cleaned checked EWP and LWP it was low I pump it up to 62/54 psi checked water temp checked blower motor checked all other electrical connections in side the unit is cleaned unit operating normal at this time. Recommended UV lights on and surge protector.