NCI Silicone Heat Resistant Combustion Test Plugs - Pack of 100

Heat Resistant CO/Combustion Test Plugs Test plugs are essential during CO and combustion testing. Use these heat resistant plugs to cover test holes

Sauermann 27532 Combustion Probe 7 with Dual Hose 6.5

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NCI Si-CA 030 Two Gas Residential Combustion Analyzer Kit with O2

NCI Si-CA 030 Two Gas Residential Combustion Analyzer Kit with O2

National Comfort Institute Inc. CO and Combustion Instruments

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NCI 1/2 Center Pull Tapered Plastic Test Plug - Pack of 500

National Comfort Institute Inc. CO and Combustion Instruments

National Comfort Institute Inc. CO and Combustion Instruments

Product is used to plug the hole used by HVAC technicians to analyze flue gasses. Fits hole drilled with 5/16” drill bit. Press fit into hole without

Lynn Manufacturing Flue Plugs for Combustion Analyzer Hole, Fits 5/16 Hole, 100 pcs/Bag, 6010

National Comfort Institute Inc. Resale and Consumable Products

NCI Si-CA 030 Two Gas Residential Combustion Analyzer Kit with O2