Carbon monoxide (CO) incidents related to pool and spa equipment have resulted in multiple fatalities and hospitalizations in recent years. These incidents often stem from faulty gas-fired pool heaters and inadequate ventilation systems. As a pool and spa service professional, implementing proactive safety measures is crucial to prevent such tragedies. • Inspect Gas Pool Heaters Regularly: Examine for signs of corrosion, blockages, or damage in the combustion chamber and exhaust systems. • Verify Proper Ventilation: Ensure that indoor pool heaters have correctly installed and unobstructed exhaust vents to safely direct combustion gases outside. • Install Carbon Monoxide Detectors: Recommend and install CO detectors near pool equipment areas, especially in enclosed spaces, to provide early warning of CO accumulation. • Educate Clients on CO Risks: Inform homeowners and facility managers about the dangers of CO poisoning and the importance of regular maintenance and detector installation. • Stay Informed on Local Codes: Keep up-to-date with local building codes and regulations regarding CO detector requirements and pool heater installations. • Document Maintenance Activities: Maintain detailed records of inspections, maintenance, and any issues found or resolved, providing transparency and accountability.