Rheem RS80-42BP Care and cleaning of the water heater, Draining the Water Heater, Anode Rod

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Care and cleaning of the water heater.

Draining the Water Heater

CAUTION: Before draining the thermosiphon tank, the pressure on the closed loop must be relieved or the loop may collapse.

CAUTION: Shut off power to the water heater before draining water.

DANGER: Before manually operating the relief valve, make certain no one will be exposed to the hot water released by the valve. The water drained from the tank may be hot enough to present a scald hazard and should be directed to a suitable drain to prevent injury or damage.

In order to drain the water heater, turn off the cold water supply. Open a hot water faucet or lift the handle on the relief valve to admit air to the tank.

Attach a garden hose to the drain valve on the water heater and direct the stream of water to a drain. Open the valve.

Routine Preventative Maintenance

DANGER: Before manually operating the relief valve, make certain no one will be exposed to the danger of coming in contact with the hot water released by the valve. The water may be hot enough to create a scald hazard. The water should be released into a suitable drain to prevent injury or property damage.

CAUTION: The collectors must be cool before washing.

NOTICE: If the temperature and pressure relief valve on the hot water heater discharges periodically, this may be due to thermal expansion in a closed water system. Contact the water supplier or your plumbing contractor on how to correct this. Do not plug the relief valve outlet.

Properly maintained, your solar water heater system will provide years of dependable trouble-free service.

It is suggested that a routine preventive maintenance program be established and followed by the user.

It is further recommended that a periodic inspection of the operating controls, heating element and wiring should be made by service personnel qualified in appliance repair.

At least Quarterly:

1.Clean collector glass periodically to remove accumulated dust and dirt.

2.Trim trees near collectors.

At least annually:

1.Lift and release the lever handle on the temperature and pressure relief

valve, located on the left side of the thermosiphon tank, to make certain the valve operates freely. Allow several gallons to flush through the discharge line. Make certain the discharged water is directed to an open drain.

At least every three to five years:

1.Check all valves and electrical equipment.

2.The anode rod should be removed from the water heater’s tank for

inspection and replaced when more than 6″ of core wire is exposed at either end of the rod. See section below for additional information

Flush the tank with cold water until the pressure is relieved, some of the water is drained, and the cold water supply is turned off before removing anode rod.

3.Check fluid level in closed loop. Replace fluid if necessary.

NOTICE: Do not remove the anode rod from the water heater’s tank, except for inspection and/or replacement, as operation with the anode rod removed will greatly shorten the life of the glass lined tank and will exclude warranty coverage.

Anode Rod

This water heater is equipped with an anode rod designed to prolong the life of the glass lined tank. The anode rod is slowly consumed, thereby eliminating or minimizing corrosion of the glass lined tank.

Water sometimes contains a high sulfate and/or mineral content and together with cathodic protection process can produce a hydrogen sulfide, or rotten egg odor in the heated water. Chlorination of the water supply should minimize the problem.

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Contents Passive Solar Water Heating Systems Safety Information Installation InstructionsCare and Cleaning Troubleshooting TipsIntroduction Keep the use of the Backup Heater to a Minimum Try to use Hot Water during Daylight HoursWater Temperature Setting Time/Temperature Relationship in ScaldsRead and Follow this Safety Information Carefully Installing the water heater System Parts ID List Storage TankPre-Installation Record extreme weather conditions on checklistSite Inspection Equipment Review Local CodesSystem Placement Requirements Number InstallationArea Requirements for Collectors Plumbing/Electrical stub-outCompass Pitch Mount No. of Collectors Roof InstallationsPitch Requirements Roof Type Installation Type Supporting Structures Roof SurveyRoof Support Requirements Conventional Roof ModificationsConventional Roof Modifications Truss Frame Modifications Branch Circuit Sizing and Wire Size Guide Customer ApprovalElectrical Schematic Electrical System RequirementsTypical Installation Type of Installation= Mixing Valve = Temperature & Pressure Relief Metal / Sturdy Tile Installation Plumbing System Schematic for Installation as Pre HeaterTypes of Roof Installation Supporting Structure installation Roof PreparationInstalling the water heater Page Pipe Leg Connection Detail Frame AssemblyLower Pipe Leg Installation Collector Installation Collector Fitting Installation DetailStorage Tank Installation Metal / Sturdy-TileExternal Piping Insulation Plumbing InstallationStorage Tank Plumbing Attachment Detail, Left Side Electrical Installation Install Roof Jack PanelTo Fill the Water Heater See Key to Stub Out Details BelowTest and Fill Procedure Test and Fill the Closed LoopInstalling the water heater Neutral Connect Storage Tank to Electrical SupplyDetail of Electrical Connections Operating the water heater. Installation Checklist Safety PrecautionsSafety Controls To replace the temperature limiting controlIf adjustment is necessary… Water Temperature SettingTime/Temperature Relationship in Scalds Care and cleaning of the water heater Routine Preventative MaintenanceDraining the Water Heater Anode RodVacation and Extended Shut-Down Vacations or Brief AbsencesBefore You Call For Service… Problem Possible Causes What To DoLow Hot Water ‘A’ Frame kit consists Installations using 17.5 a FramesFrames Side Pitch Installations Tile Roof Against Pitch Installations Tiled Roof Variations for Metal and Fibreboard RoofsVariations for Shallow Pitch or Flat Deck Roofs Flashing and Roof PenetrationsIf YOU Need Service
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RS47-21BP, RS80-42BP specifications

The Rheem RS47-21BP and RS80-42BP are innovative water heater solutions designed to meet the diverse needs of modern households. These models incorporate advanced technologies to enhance efficiency, performance, and user convenience.

The Rheem RS47-21BP is a 47-gallon heat pump water heater that provides a strong balance between performance and energy savings. One of its standout features is its impressive energy efficiency rating. This model utilizes heat pump technology harnessing ambient heat from the air to heat water, drastically reducing energy consumption compared to traditional electric water heaters. This results in lower utility bills and a smaller carbon footprint, making it an environmentally conscious choice.

On the other hand, the RS80-42BP is a larger 80-gallon heat pump water heater suitable for families with higher hot water demands. It offers a similar energy-efficient operation as the RS47-21BP but with an increased capacity. This model is perfect for households that require a reliable supply of hot water for multiple simultaneous uses, such as showers, dishwashing, and laundry. The unit's size is designed to cater efficiently to larger families or higher demand scenarios, making it an ideal choice for busy homes.

Both models are equipped with advanced smart technology, allowing the user to monitor and control the water heater remotely through a smartphone application. This feature provides real-time data on water usage and energy consumption, empowering users to manage their hot water needs proactively. Furthermore, the intuitive interface makes it easy to adjust settings, helping households maximize efficiency.

Additionally, Rheem has incorporated protective features in both models, including an intelligent self-diagnostic system that assists in troubleshooting. The LED display offers clear indications of operational status, making maintenance straightforward. Both units come with durable construction, designed to resist corrosion and prolong their lifespan.

Overall, the Rheem RS47-21BP and RS80-42BP represent the forefront of water heating technology, combining efficiency, smart technology integration, and ample capacity. These water heaters are not only reliable but also contribute significantly to energy savings, catering to both small and large household needs effectively.