Rheem Gas Heavy Duty Water Heater Models 265 Litre and 275 Litre Commissioning

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COMMISSIONING

TO FILL AND TURN ON THE WATER HEATER

The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained.

•Open all of the hot water tap(s) in the building (don’t forget the showers) and supply cock(s) and valve(s) in the system.

•Open the isolation valves fully on the cold and hot water branches to the water heater(s) installed in a bank.

•Open the cold water isolation valve on the cold water line to the water heater(s).

Air will be forced out of the taps.

•Close each tap as water flows freely from it.

•Check the pipe work for leaks.

•Open the gas isolation valve fully.

•Check the gas pipe work for leaks.

•Switch on the electrical supply at the isolating switch to the water heater(s).

•Check the pipe work again for leaks when the system has reached its working temperature.

Warning: Upon completion of the installation and commissioning of the water heater, leave this guide with the householder or responsible officer. DO NOT leave this guide inside of the cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on.

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Contents Owners Guide Installation Instructions Patents Contents About Your Water Heater Temperature AdjustmentModel Type Hotter Water Increases the Risk of Scald InjurySafety To Turn on the Water Heater To Turn OFF the Water HeaterHOW Long will the Water Heater LAST? Does the Water Quality Affect the Water HEATER?Anode Protection Mains Pressure HOW Your Water Heater WorksElectronic Thermostat HOT Surface IgnitionRegular Care Temperature Pressure Relief ValveExpansion Control Valve Servicing Not Enough HOT Water or no HOT Water Save a Service CallWater Heater not Operating Diagnostic Features of Electronic ThermostatBurner will not Light Expansion Control Valve Running Temperature Pressure Relief Valve RunningHigh GAS Bills Water Heater Appears to be LeakingThis Water Heater is not Suitable for Pool Heating InstallationWater Heater Location Safe Tray Indoor InstallationOutdoor Installation Tank Water Supply Mains Water SupplyHOT Water Delivery Circulated HOT Water Flow and Return System Temperature Limiting DeviceAnode Types Reducing Heat LossesSaddling Pipe Work Typical Installation Outdoor Location Typical Installation Indoor Location Model No 621265 631265 621275 631275 Dimensions and Technical DataConnection Sizes Connections PlumbingWater Inlet and Outlet Pipe Sizes GAS InletRelief Valve Relief Valve Drain Connections Electrical Thermostat SettingWiring a Power Flued System to the Water Heater Power Flue External Controls Intermittent Operation Power Flue External Controls 24 Hour Operation Multiple Installations Multiple Installations Typical Installation Rheem Heavy Duty GAS Water Heaters Line Manifold Back to Back Manifold Installation Dimensions Rheem Heavy Duty GAS Water HeatersManifold Arrangement To Fill and Turn on the Water Heater CommissioningGAS Inlet Pressure Lighting Procedure For Your Safety Read Before LightingLighting the Water Heater Flashes Fault Test the Water Heater After InstallationAIR Adjustment Burner Pressure AdjustmentDraining the Water Heater Recirculation System Temperature ControlThermostat Adjustment This page is intentionally blank Anode Water SuppliesSaturation Index Warranty Exclusions Warranty ConditionsRheem will Warranty

Gas Heavy Duty Water Heater Models 265 Litre and 275 Litre specifications

Rheem offers a comprehensive range of gas water heaters, with the 265-litre and 275-litre heavy-duty models standing out for their efficiency, durability, and advanced technology. These models are designed specifically for households and commercial applications that require a reliable supply of hot water, ensuring comfort and convenience.

The Rheem 265-litre model is built to cater to larger households, providing ample hot water to meet daily needs. It features a powerful gas burner that delivers quick heating, allowing users to enjoy hot water almost immediately. With an impressive first-hour rating, the 265-litre unit can effortlessly supply enough hot water for multiple simultaneous uses, such as showers, washing dishes, and laundry.

Similarly, the 275-litre model offers an even greater capacity, making it ideal for larger families or commercial settings. It boasts enhanced heating capabilities and a larger burner size, which significantly reduces recovery time and ensures a consistent supply of hot water throughout the day. This model is particularly beneficial for businesses in the hospitality industry, where demand for hot water is high.

Both models utilize Rheem's proprietary technologies to maximize efficiency. They feature premium insulation that minimizes heat loss, allowing the heaters to maintain optimal water temperatures while consuming less energy. The intuitive electronic gas control system ensures precise temperature management, promoting safety and comfort.

Durability is a hallmark of Rheem water heaters, with both the 265-litre and 275-litre models constructed from high-quality materials designed to withstand the rigors of daily use. The tanks are coated with advanced corrosion-resistant materials, extending their lifespan and reducing the likelihood of maintenance issues. Additionally, both models are equipped with anode rods that further protect against corrosion.

Installation and maintenance are further simplified with Rheem's user-friendly design. The compact build allows for flexibility in installation, whether indoors or outdoors, and the easy access to service points ensures that routine maintenance can be performed without hassle.

In summary, Rheem's Gas Heavy Duty Water Heater Models 265-litre and 275-litre combine advanced technology, durability, and efficiency to deliver exceptional performance. These models are perfect for those requiring a reliable and consistent supply of hot water, making them an excellent choice for both residential and commercial use.
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