Maine Gas Practice Exam

Question: 1 / 400

A residential boiler with a listed gas conversion burner and type B gas vent requires what minimum clearance from combustible materials?

4 inches

6 inches

The minimum clearance required from combustible materials for a residential boiler equipped with a listed gas conversion burner and a type B gas vent is 6 inches. This requirement is important to prevent the risk of fire and to ensure safe operation of the boiler system. Adequate clearance allows for proper ventilation, reduces the risk of heat accumulation, and ensures that flue gases are safely expelled. Compliance with this clearance requirement is essential for meeting safety standards and ensuring that the installation adheres to manufacturer guidelines and local codes governing heating appliances. Maintaining this distance helps to protect surrounding structures and materials from any potential heat damage or ignition.

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8 inches

10 inches

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