Performed last visit Heating maintenance on a Goodman furnace. Found high gas pressure at 3.8, adjusted back to spec at 3.5. Gas line are inspected to ensure no leak, cleaned and resurfaced flame rod, wiped down and vacuumed blower compartment, all electrical components were within spec and system is operating properly. System was without flood safety switch and surge protection, recommend installing to prevent future issues. Courtesy replacement thermostat batteries. Continuing on Superhero club membership today and will have two more visits left.