Installation Manual

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Indirect Fired Water Heaters Installation and Operating Manual
Installation & Operating Manual
as listed in the “Clinical Toxicology of Commercial
Products”. A maximum 50/50 mixture of inhibited
propylene glycol is recommended. Follow the antifreeze
manufacturer’s instructions.
DANGER:
 Do not use automotive, ethylene glycol or
petroleum-based antifreeze. These types of
antifreezes are toxic and could cause severe
personal injury or death if leakage into the
domestic hot water supply occurs. Do not
use any undiluted antifreeze. This can cause
severe personal injury, death, or substantial
property damage.