What standard must oil-fired pool and spa heaters comply with?

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Oil-fired pool and spa heaters must comply with UL 726, which outlines the safety and performance requirements specifically for these types of heaters. This standard is designed to ensure that the heaters operate safely and efficiently, minimizing the risk of fire, carbon monoxide emissions, and other hazards associated with combustion appliances. The UL 726 standard includes guidelines for design, construction, performance, and testing, which help manufacturers create reliable products that meet necessary safety levels.

The other options listed pertain to different types of appliances or equipment. For example, UL 482 covers electric pool heaters, while UL 197 relates to commercial food service equipment. UL 794 specifically addresses the safety of pool heaters that are not oil-fired. Hence, it's clear that UL 726 is the appropriate standard for ensuring the safe operation of oil-fired pool and spa heaters.

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