Connectors should be used to connect an appliance and equipment to the vertical chimney or vent, except were the chimney or vent is...

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Hot water is defined as water of a temperature of 110° F (43° C) or hotter. Tempered water ranges from 85° F to 110° F (29° C to 43° C),...

Crawlspaces Access openings must be a minimum of 18 inches high by 24 inches wide. Access to all under-floor spaces must be provided with...