Water Temperature Control Controller

Controller Cable

Safety Devices

RL75e (VB2528WD-US)

Simulation feed forward and feedback

MC-91-1US (included)

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

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

MCC-91-1US (for commercial applications)

Non-polarized two-core cable, minimum 22 AWG

Flame failure - Flame Rod

Remaining flame (OHS)

Boiling protection

Thermal fuse

Combustion fan rpm check

Automatic frost protection

Over current - glass fuse

Clearances from Combustibles

Clearances from Non-combustibles

* 24 inches required for serviceability

Min. / Max. Gas Supply Pressure

Manifold Gas Pressure (inches W.C.) (sea level)

Top of heater - 12 inches

Front (Panel) - 24 inches

Front (Exhaust) - 24 inches

Top of heater - 2 inches

Front (Panel) - 0 inches *

Front (Exhaust) - 24 inches

Natural Gas: min 5” W.C.

Propane Gas: min 8” W.C.

Natural Gas: high fire 2.3” W.C.

Propane Gas: high fire 4.2” W.C.

Back of heater - 0 inches

Ground / bottom - 12 inches

Sides of heater - 6 inches

Back of heater - 0 inches

Ground / bottom - 2 inches

Sides of heater - 1/8 inch

max 10.5” W.C. max 13.5” W.C.

low fire 0.44” W.C. low fire 0.93” W.C.

NOx Warranty

Meets California and Texas NOx Emission Rules

Heat exchanger: 12 years* for residential and 5 years* for commercial and hydronic applications; (10 years* if used with the Rinnai Hydronic Furnace); 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

 

 

A

B

DIM

DESCRIPTION

in (mm)

 

 

 

 

A

Width

14 (355.6)

 

 

 

 

 

WEIGHT: 51 LBS (23 KG)

 

B

Depth

9.9 (251.1)

 

C

Height - Unit

22.9

(582)

 

 

 

 

 

 

 

 

 

 

D

Distance between mounting

25.0 (634.2)

 

 

 

 

 

 

holes

 

 

 

 

 

 

 

 

 

 

 

C

D

E

Hot Water Outlet - from wall

3.8 (97.6)

 

 

 

F

Hot Water Outlet - from center

4.3 (110)

 

 

 

 

 

G

Cold Water Inlet - from wall

3.0 (76.6)

E

 

 

 

 

H

Cold Water Inlet - from center

1.1

(27)

 

 

 

 

I

Gas Connection - from wall

4.2 (105.6)

H

J

G

I

 

J

Gas Connection - from center

3.5

(89)

 

 

 

 

From base to gas connection

1.6

(40)

F

 

 

 

 

 

 

 

 

 

 

K

From base to cold connection

2.0

(50)

 

 

 

 

 

K

From base to hot connection

1.6

(41)

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-VB2528WD-US manual NOx Warranty, Dimensions, Weight 51 LBS 23 KG

REU-VB2528WD-US specifications

The Rinnai REU-VB2528WD-US is a premier tankless water heater designed for efficiency, performance, and reliability. This model stands out in the market for its advanced technology and user-friendly features, catering to both residential and commercial applications.

One of the key features of the Rinnai REU-VB2528WD-US is its impressive heating capacity. With a maximum output of 252,000 BTU, it provides a continuous flow of hot water, making it ideal for households with high hot water demands. Whether it's simultaneously running multiple showers, laundry, or dishwashing, this unit can handle it all without missing a beat.

Energy efficiency is another hallmark of the Rinnai REU-VB2528WD-US. This model boasts an Energy Factor (EF) rating that aligns with modern energy standards, helping to reduce utility bills while minimizing environmental impact. The tankless design eliminates the need for a bulky storage tank, and the unit only heats water on demand, avoiding standby heat loss associated with traditional water heaters.

The Rinnai REU-VB2528WD-US incorporates advanced technologies such as the Circ-Logic technology, which allows for programmed recirculation patterns. This feature ensures that hot water is readily available at all times while conserving energy and reducing waste. Users can also benefit from the Rinnai Control-R communication technology that facilitates wireless connectivity, enabling real-time monitoring and control of the heater from convenient mobile devices.

Durability is another important characteristic of the Rinnai REU-VB2528WD-US. Built with high-quality materials, this water heater is designed to withstand harsh conditions, providing long-lasting performance. Its compact design allows for flexible installation options, whether indoors or outdoors, and its sleek aesthetic can seamlessly blend with various home styles.

Safety is prioritized in the design of the Rinnai REU-VB2528WD-US. The unit is equipped with multiple safety features, including a built-in freeze protection mechanism and overheat protection to ensure safe operation. Additionally, it meets strict standards for safety and performance, giving users peace of mind.

In summary, the Rinnai REU-VB2528WD-US is a top-tier tankless water heater known for its powerful performance, energy efficiency, and innovative technologies. With its ability to meet high hot water demands, advanced control capabilities, and a focus on safety and durability, this model is an ideal choice for anyone seeking a reliable, efficient solution for their hot water needs.