NV C-37D Solar Pool Heating Practice Questions - Nevada C-37D Solar Pool Heating Contractor Examination Exam

Why is Schedule 40 PVC acceptable on a typical unglazed solar-pool loop but not on a glazed potable-DHW collector loop?

Pool-solar water stays near 80°F, while a glazed DHW collector can stagnate well above PVC's temperature rating PVC is listed only for natural-gas service The UPC bans all plastic pipe outdoors PVC cannot be solvent-cemented

Correct Answer:

Pool-solar water stays near 80°F, while a glazed DHW collector can stagnate well above PVC's temperature rating

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