Plumber Red Seal · Question
When installing an electric water heater, what is the minimum required clearance from combustible materials for the vent system?
Electric water heaters do not burn fuel and therefore do not produce combustion byproducts requiring a vent system. Hence, there are no combustible material cle
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Question: When installing an electric water heater, what is the minimum required clearance from combustible materials for the vent system?
Answer options:
- Electric water heaters do not have a vent system. ✅ 0 mm, as they generate no combustion byproducts.
- 150 mm (6 inches).
- 25 mm (1 inch).
Correct answer: 0 mm, as they generate no combustion byproducts.
Explanation: Electric water heaters do not burn fuel and therefore do not produce combustion byproducts requiring a vent system. Hence, there are no combustible material clearance requirements for a vent system on an electric water heater. This differentiates them from gas-fired water heaters.
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