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The FIELDPIECE CAT45 is a combustion analyzer that includes an integrated water trap. It measures oxygen (O2), carbon monoxide (CO), and carbon dioxide (CO2) levels along with draft pressure. This tool is used by HVAC professionals to verify combustion processes and safety in residential and commercial settings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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