designed to Burn _____gas and certified by the American Gas Association (AGA), and Canadian Gas Association (CGA) for commercial water heater(s) having delivery capabilities of 180oF water, and meet or exceed all applicable energy codes.

• 适用的可燃气体为______,并获得美国燃气协会(aga),加拿大燃气协会(CGA)的供热能力达82oC水温的商用热水器安全认证,满足或者优于所有现行的节能标准。