COWB3 OIL-FIRED HOT WATER BOILER WATER HEATING
2020-4-27u2002·u2002Oil-Fired Hot Water Boiler - 60 Hz Bulletin No. 210654 April 2020 Supersedes March 2018 2015 ... • Thermal purge logic measures rate of temperature change inside the boiler and delays burner firing ... Installation and service must be performed by a qualified installer and servicing agency. ©2020 Lennox Industries, Inc.
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