NCI Silicone Heat Resistant Combustion Test Plugs - Pack of 100

4.5 (657) · $ 21.99 · 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

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

, The Retrotec Mini Probe is designed for insertion through small holes or gaps when measuring differential pressure with a manometer.

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