Record the unit details
Fuel/energy type, model, serial, installation date and warranty are useful.
Keep service history
Inspection and service reports help future troubleshooting and replacement planning.
Follow manufacturer maintenance
Do not substitute a generic internet schedule for the actual unit instructions.
Escalate leaks or unsafe operation
Active leaks, combustion concerns, damaged wiring or pressure-related issues require appropriate professional attention.
Safety boundary. This site is for planning, observation and records. Do not improvise electrical, fuel-burning, structural, roof-height or other hazardous work. Follow manufacturer instructions, applicable codes and qualified professional guidance.