@hvacknowitall: Big CO problems... This is why it's important to check both high and low fire on gas fired equipment with an analyzer and also carry a personal CO monitor. The burner and heat exchanger need to be cleaned on this boiler. #hvac #combustionanalysis #gascombustion #hvaceducation #combustionanalyzer

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Region: CA

Wednesday 04 November 2026 23:16:50 GMT