	US 12,203,684 B2
	Water heater operation monitoring and notification
Raheel A. Chaudhry, Montgomery, AL (US); and Michael C. Mitchell, Auburn, AL (US)
Assigned to Rheem Manufacturing Company, Atlanta, GA (US)
Filed by Rheem Manufacturing Company, Atlanta, GA (US)
Filed on May 1, 2023, as Appl. No. 18/309,930.
Application 17/662,119 is a division of application No. 16/775,500, filed on Jan. 29, 2020, abandoned.
Application 16/775,500 is a division of application No. 15/851,293, filed on Dec. 21, 2017, granted, now 10,571,153, issued on Feb. 25, 2020.
Application 18/309,930 is a continuation of application No. 17/662,119, filed on May 5, 2022, granted, now 11,674,717.
Prior Publication US 2023/0258368 A1, Aug. 17, 2023
Int. Cl. F24H 9/20 (2022.01); F24H 9/45 (2022.01); F24H 15/395 (2022.01); F24H 15/45 (2022.01); F24H 15/20 (2022.01); F24H 15/238 (2022.01); F24H 15/281 (2022.01); F24H 15/31 (2022.01); F24H 15/35 (2022.01); F24H 15/36 (2022.01); F24H 15/414 (2022.01); F24H 15/486 (2022.01)

CPC F24H 9/2035 (2013.01) [F24H 9/455 (2022.01); F24H 15/395 (2022.01); F24H 15/45 (2022.01); F23N 2227/02 (2020.01); F24H 15/20 (2022.01); F24H 15/238 (2022.01); F24H 15/281 (2022.01); F24H 15/31 (2022.01); F24H 15/35 (2022.01); F24H 15/36 (2022.01); F24H 15/414 (2022.01); F24H 15/486 (2022.01)]

15 Claims

1. A water heater monitoring and notification method, comprising:

determining that an intake pressure switch of a combustion system of a water heater or an exhaust pressure switch of the combustion system of the water heater is open; and

shutting down a blower of the combustion system in response to the intake pressure switch or the exhaust pressure switch being open;

determining that the combustion system of the water heater is degraded; and

providing a notification indicating a possible defect with the intake pressure switch or the exhaust pressure switch in response to determining that the intake pressure switch or the exhaust pressure switch is open and the combustion system of the water heater is not degraded.