I’m boiler found two Honeywell actuator zone valves but to be bad Ultimate Heating Tune-Up Gas Heat: serviced and inspected gas heating system checking air flow, temperature rise, electrical, gas pressure, safeties, controls and limits, heat exchanger and venting. cleaned and checked system components to manufacturer specifications and performed combustion inspection. Ultimate Heating Tune-Up Heat Pump: serviced and inspected heat pump system, including electrical, safeties, controls, reversing valve and defrost cycle to manufacturer specifications.