
2.) Drill a suitable hole through the wall at selected sensor location. Route sensor wires through wall, making sure they are accessible from the inside. Use provided spacers to stand off plate from wall. Mount the sensor plate loosely to wall with only 1 screw so that access to hole is preserved for application of caulking. Fill hole with a suitable exterior caulking compound. Then insert second screw and tighten both screws carefully. From inside, locate sensor wires and wires from thermostat.