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NCI Silicone Heat Resistant Combustion Test Plugs - Pack of 100

$ 20.99

4.6 (111) In stock

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

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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

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