Heat Pump Repair Return and replace reversing valve Conducted a leak search. No luck on isolating exact leak location, it does seem as though the leak is in the outdoor unit. Service valves are locked down and common port pressure continued to drop. Valves are still locked down, thermostat is set to emergency heat, disconnect is off, outdoor fan is disconnected for ease of leak search next trip out. We may have to dump the nitrogen and put some more 410A in and go back in with a detector to start. We will call to schedule 2/6/23 Steve returned, added 410a to nitrogen and leak searched outdoor unit, confirmed with detector and bubbles that the suction line accumulator is leaking underneath. Bubbled and leak detected rest of outdoor unit, all coil ends and copper connections, found no other leaks. Need to get an accumulator