C53i (2520FFUC)

Water Temperature Control

Remote Controls

Remote Control Cable

Safety Devices

Clearances from combustibles (suitable for closet, attic, and crawl space installations)

Clearances from non-combustibles

Min. / Max. Gas Supply Pressure

Manifold Gas Pressure (inches W.C.)

NOx

Warranty

Simulation feed forward and feedback

MC-91-1US (included)

Deluxe controller: MC-100V-1US (optional)

Bathroom controller: BC-100V-1US (optional)

Wireless controller (with transceiver): MC-502RC-1US-MS (optional) Non-polarized two-core cable

Flame failure - Flame Rod

Remaining flame (OHS)

Boiling protection

Thermal fuse

Combustion fan rpm check

Automatic frost protection

Over current - glass fuse (3 amp)

• Top of heater - 6 inches

 

• Back of heater - 0 inches

• Front of heater - 6 inches

 

• Bottom of heater - 12 inches

• Sides of heater - 2 inches

 

• From vent pipe - 0 inches

• Top of heater - 2 inches

 

• Back of heater - 0 inches

• Front of heater - 6 inches

 

• Bottom of heater - 12 inches

• Sides of heater - 1/2 inches

• From vent pipe - 0 inches

Natural Gas:

min 6” W.C.

 

max 10.5” W.C.

Propane Gas:

min 10” W.C.

 

max 13.5” W.C.

Natural Gas:

high fire 3.7”

W.C. low fire 0.77” W.C.

Propane Gas:

high fire 4.2”

W.C.

low fire 0.93” W.C.

Meets California and Texas NOx Emission Rules

Commercial only; heat exchanger 5 years*; all other parts 5 years*; labor 1 year; (* 3 years if used as a circulating water heater within a circulation loop, when the water heater is in series with a circulation system and all circulating water flows through the water heater)

Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior notice. Local, state, provincial and federal codes must be adhered to prior to installation.

DIMENSIONS

WEIGHT: 49 LBS

 

 

Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us

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Rinnai REU-V2520FFUC-US manual Dimensions Weight 49 LBS

REU-V2520FFUC-US specifications

The Rinnai REU-V2520FFUC-US is a highly efficient and reliable tankless water heater that is specifically designed to meet the demands of both residential and commercial applications. This model stands out for its combination of advanced technology, energy efficiency, and user-friendly features, making it an ideal choice for anyone looking to invest in a high-quality water heating solution.

One of the main features of the REU-V2520FFUC-US is its ability to deliver continuous hot water on demand. Unlike traditional storage water heaters that run out of hot water after a certain period, this tankless system heats water directly as it flows through the unit. With a powerful heating capacity of up to 252,000 BTU, the unit can provide a steady supply of hot water, ensuring that multiple outlets can be used simultaneously without any drop in performance.

The Rinnai REU-V2520FFUC-US utilizes advanced condensing technology that enhances its energy efficiency. With an impressive energy factor (EF) rating, this model minimizes energy consumption, which not only helps to reduce utility bills but also contributes to a lower carbon footprint. The unit’s powerful condensing feature allows it to recover heat from exhaust gases, further maximizing energy savings.

Another notable characteristic of the REU-V2520FFUC-US is its compact design, which makes it an excellent choice for installation in smaller spaces. Weighing only about 80 pounds and measuring significantly smaller than traditional tank systems, it can be mounted on walls, freeing up floor space for other uses. This flexibility in installation options makes it suitable for various environments, including tight utility rooms or garage spaces.

Furthermore, the unit is equipped with advanced safety features, including a built-in temperature control system and protection against overheating. This ensures both efficiency and safety, offering peace of mind to homeowners and businesses alike. The unit is also designed for ease of maintenance, with accessible components that allow for quick service and repairs.

With a robust warranty and high customer satisfaction ratings, the Rinnai REU-V2520FFUC-US is a reliable investment in energy-efficient hot water solutions. Its advanced technology, superior performance, and user-centric design features position it as a leading option in today’s market, catering to the needs of diverse users looking for dependable hot water solutions.