Code requires that on the service ports of the outdoor system, where you connect gauges to, there must be locking caps if the unit is not fully fenced in a back or side yard.
The locking caps are made to keep people from messing with your refrigerant since typically only HVAC technicians have a key to the caps
Code requires that on the service ports of the outdoor system, where you connect gauges to, there must be locking caps if the unit is not fully fenced in a back or side yard.
The locking caps are made to keep people from messing with your refrigerant since typically only HVAC technicians have a key to the caps