Responded to service call for previously reported toilet leak. Diagnosed issue with faulty toilet supply valve. Successfully replaced the defective valve, resolving the continuous water leakage problem.
Performed routine furnace and AC tune-up service as requested. Upon inspection, discovered cracked heat exchanger in furnace and high carbon monoxide levels, resulting in red-tag designation for safety concerns. Recommended complete furnace replacement due to age (2008 model) and critical safety issues identified.
