valutazioni - 4, GPA: 3.8 ( )

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Provisions for connecting a remote thermistor, alarm bell, pump, and alternate temperature controller must be provided. Factory mounted and wired flow, blower prover, and blocked flue switches shall be provided. The gas train shall meet or exceed the requirements of ANSI Z21.13 and include gas pressure regulator, manual gas cock, redundant safety gas valve, operating control valve, and plugged pressure test tapings. The ASME rated pressure relief shall be factory installed. The boiler shall be certified for direct horizontal through-the-wall venting, or direct vertical venting; in addition to sidewall or conventional vertical venting. The boiler must be field convertible from top mounted venting to rear mounted venting. The boiler shall be capable of horizontal sidewall or direct venting up to 35 equivalent feet without the aid of any optional sidewalll vent fans or blowers. For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice. July 2011R PG 4 OF 4 AOSDG25200 ...

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