Iowa Admin. Code r. 875-93.8 - [Effective until 3/26/2025] Blowoff
Miniature power boilers shall be equipped with a blowoff connection, not less than 1/2-inch pipe size, located to drain from the lowest water space practicable. The blowoff shall be equipped with a valve or cock not less than 1/2-inch pipe size.
Notes
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Miniature power boilers shall be equipped with a blowoff connection, not less than 1/2-inch pipe size, located to drain from the lowest water space practicable. The blowoff shall be equipped with a valve or cock not less than 1/2-inch pipe size.