Two system heating maintenance Main house: Heat pump operating upon arrival 37⁰ temperature rise 150⁰ Vapor line temperature 106⁰ supply air Temperature Puller and cleaned the flame sensor Sensor rod is beginning to get pitted (common with propane use) No need to replace the flame rod yet, but will need done eventually Run tested furnace Manifold pressure set to 11.0"wc Temperature rise 62⁰ System operating within spec at this time House addition: Run tested heat pump After 10 minutes System produced: 34⁰ temp rise 135⁰ Vapor line temperature And 106⁰ supply air temp Pulled and cleaned flame sensor Flame rod is also pitting on this furnace, too Manifold pressure 11"wc Temperature rise rdhc65et⁰ System operating within spec at this time