Arrived on site to replace S30 thermostat and also change out healthy climate PCO Kit. On arrival, realized that thermostat brought was not the correct one for this unit. Will need to return to replace thermostat. Replaced healthy climate kit. Cleaned and wiped down unit as well as burner assembly. Leaving unit on temporary stat for heat unit we return to install thermostat. Collected for healthy climate kit on today’s visit, remaining balance to be collected upon total completion.