Rinnai V75iN Indoor Natural Gas Tankless Water Heater


$792.00


Retail Price: $1270.00
Weight: 45.60 lbs
MPN: REU-VC2528FFU-US

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Rinnai V75iN Indoor Natural Gas Tankless Water Heater

Rinnai's V75iN tankless water heater delivers up to 7.5 GPM (gallons per minute) of hot water efficiently, making it perfect for houses that have two to three bathrooms. This ultra-compact, easy-to-install unit lets you enjoy all of the benefits that come with Rinnai's tankless water heating. You will experience reliable, clean hot water at a consistent temperature you pre-set, while saving precious floor space and energy in your home.

Features

• ENERGY STAR Qualified
• Certified for installation in mobile homes
• Propane and natural gas models available
• Compatible with a full range of Rinnai digital controllers
• Enhanced scale detection lessens the possibility of serious, long-term damage
• Temperature lock function prevents unauthorized or accidental changes to water temperature
• Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels

Rinnai V75iN Indoor Natural Gas Tankless Water Heater

Value Series Warranty

Warranty (some restrictions apply)

Heat exchanger: 10 years for residential and/or space heating use; 12 years for residential use if installed with an isolation valve kit

All other parts: 5 years

Labor: 1 year residential

Click here for more information about the warranty.

Temperature rise (or delta T) in ºF at various flow rates

Rinnai RV53eN Exterior Tankless Natural Gas Water Heater

Feature Table

   Model*  

Capacity

Input BTUs
in thousands

Hot Water Capacity
in gallons per minute
(GPM)

Energy
Factor

Energy Use

Temperature Settings

Normal,
Standby,
Anti-Frost

Min
Max
Activation   Min     Max   Indoor
model
 
Outdoor
model

Residential

Commercial**

Value Series - Value and comfort for small to medium homes
V53eN
V53eP
19
(N)

20.2
(P)
120 0.6 0.6 5.3 0.82
55 Watts,
2 Watts,
184 Watts
33 Watts,
2 Watts,

74 watts
120°F - 140°F Residential only
V65iN
V65iP
V65eN
V65eP
10.3 150 0.4 0.26  6.6 0.82 76 Watts,
2 Watts,
120 Watts
57 Watts,
2 Watts,
104 Watts
98°F - 140°F 98°F - 160°F
(indoor)

98°F - 185°F
(outdoor)
V75iN
V75iP
V75eN
V75eP
10.3 180 0.4 0.26 7.5 0.82 76 Watts,
2 Watts,
120 Watts
57 Watts,
2 Watts,
104 Watts
98°F - 140°F 98°F - 160°F
Luxury Series - High output for larger homes
RL75iN
RL75iP
RL75eN
RL75eP
10.3 180 0.4 0.26 7.5 0.82 76 Watts,
2 Watts,
104 Watts
57 Watts,
2 Watts,
104 Watts
98°F - 140°F 98°F - 160°F
RL94iN
RL94iP
RL94eN
RL94eP
10.3 199 0.4 0.26 9.8 0.82 97 Watts,
2 Watts,
184 Watts
65 Watts,
2 Watts,
104 Watts
98°F - 140°F 98°F - 185°F
Ultra Series - Ultimate efficiency, largest capacity
RU80iN
RU80iP
RU80eN
RU80eP
15.2 152 0.4 0.26 8 0.96 42 Watts,
2 Watts,
146 Watts
41 Watts,
2 Watts,
168 Watts
98°F - 140°F 98°F - 185°F
RU98iN
RU98iP
RU98eN
RU98eP
15.2 199 0.4 0.26 9.8 0.95 64 Watts,
2 Watts,
146 Watts
63 Watts,
2 Watts,
168 Watts
98°F - 140°F 98°F - 185°F

* e = Exterior/Outdoor; i = Interior/Indoor; N = Natural Gas; P = Liquid Propane
** Commercial controller must be purchased separately

Technical Specifications:
 
→Type of Appliance:Temperature controlled, continuous flow, gas hot water system, installation in manufactured (mobile) homes, Forced combustion/Direct vent, Energy Star qualified
→Rinnai Model Number: REU-VC2528FFU-US
→Minimum/Maximum Gas Rate (Input): 10,300 - 180,000 BTU/h
→Electrical: Appliance: AC 120 Volts - 60 Hz, Controller: DC 12 Volts
→Electrical Consumption: Normal: 76 w Standby: 2 w Anti-frost protection: 120 w
→Ignition System: Direct electronic ignition
→Hot Water Capacity: Minimum flow rate: 0.26 GPM, Minimum activation flow rate: 0.4 GPM, Maximum flow rate: 7.5 GPM
→Temperature: 98° - 120° F (factory default) Maximum temperature is selectable at 120° F or at 140° F; 98° - 160° F available with the MCC-91-2 controller for hydronic applications
→Temperature (without remote): 120° F (factory default) or 140° F
→Installation: Indoor only
→Energy Factor: Natural Gas: 0.82 Propane: 0.82
→Service Connections: Gas supply: 3/4 inch MNPT Cold water inlet: 3/4 inch MNPT, Hot water outlet: 3/4 inch MNPT
→Water Flow Control: Water flow sensor, electronic water control device and fixed by-pass
→Minimum/Maximum Water Supply Pressure: 20 - 150 PSI (recommended 30-80 PSI for maximum performance)
→Water Temperature Control: Simulation feed forward and feedback
→Controller: MC-91-2US (included), Deluxe controller: MC-100V-1US (optional), Bathroom controller: BC-100V-1US (optional), MCC-91-2US (optional; for hyrdonic applications)
→Controller Cable: Non-polarized two-core cable, minimum 22 AWG
→Safety Devices: Flame failure - Flame Rod, Boiling protection, Combustion fan rpm check, Over current - glass fuse, Remaining flame (OHS), Thermal fuse, Automatic frost protection.
→Clearances from Combustibles: Top of heater - 6 inches, Front (Panel) - 6 inches, Sides of heater - 2 inches, Back of heater - 0 inches, Ground / bottom - 12 inches, From vent pipe - 0 inches
→Clearances from Non-combustibles: Top of heater - 2 inches, Front of heater - 6 inches, Sides of heater - 1/2 inches, Back of heater - 0 inches, Ground / bottom - 12 inches, From vent pipe - 0 inches
→Min. / Max. Gas Supply Pressure: Natural Gas: min 5” W.C. max 10.5” W.C., Propane Gas: min 8” W.C. max 13.5” W.C.
→Manifold Gas Pressure (inches W.C.): Natural Gas: high fire 2.5” W.C. low fire 0.61” W.C., Propane Gas: high fire 3.9” W.C. low fire 0.87” W.C
→Front cover material: Powder coated galvanized steel

Dimensions

Rinnai V75iN Indoor Natural Gas Tankless Water Heater

Measurement in inches (millimeters)


How to Vent this Tankless Hot Water Heater

Here is what you need to vent this tankless heater to the roof.

You only need to buy one of the appropriate length items from among the selection in Group A and Group B below. Consider any optional roofing accessories from Group C below.

Group A

Are you in a cold climate with possibly significant snow accumulation? If so, buy our Rinnai/Ubbink Roof Discharge Termination 38" (Cold Climate), pn 184119. If not, buy our Rinnai/Ubbink Roof Discharge Termination 18", pn 184118-S.

Group B

Choose the additional pipe length you need from the top of the Rinnai heater to the pipe in Group A.

  •  Rinnai/Ubbink 2" to 12" Telescoping Vent Pipe Extension, pn 224054
  •  Rinnai/Ubbink 10" Vent Pipe Extension, pn 224051
  •  Rinnai/Ubbink 19.5" Vent Pipe Extension, pn 224052
  •  Rinnai/Ubbink 39" Vent Pipe Extension, pn 224053

Group C

  •  Rinnai/Ubbink Roof Flashing, Roof Pitch 1/12 to 6/12, pn 189950
  •  Rinnai/Ubbink Roof Flashing, Roof Pitch 6/12 to 12/12, pn 189951
  •  Rinnai/Ubbink Roof Flashing, Roof Pitch 8/12 to 16/12, pn 189952
  •  Rinnai/Ubbink Flat Roof Flashing, pn 146141
  •  Rinnai/Ubbink Metal Roof Flashing, pn 242141

Here is what you need to vent this tankless heater sideways to the wall.

You only need to buy one of the appropriate length items from among the selection in Group A and Group B below. Consider any optional accessories from Group C below.

Group A

Are you in a cold climate and expect a lot of condensate flowing through this termination pipe? If so, buy one of these two lengths:

  •  Rinnai/Ubbink 12" All Weather Wall Termination Kit, pn STDKITVA-A
  •  Rinnai/Ubbink 21" All Weather Wall Termination Kit, pn STDKITVA-A21

If not, buy one of these two lengths:

  •  Rinnai/Ubbink 11.5" Universal Non-Condensing Wall Termination Kit, pn 223181
  •  Rinnai/Ubbink 21" Universal Non-Condensing Wall Termination Kit, pn 223182

Group B

Choose the additional pipe length you need to extend the distance, between the elbow part and the termination part in the kit above, to the wall.

  •  Rinnai/Ubbink 2" to 12" Telescoping Vent Pipe Extension, pn 224054
  •  Rinnai/Ubbink 10" Vent Pipe Extension, pn 224051
  •  Rinnai/Ubbink 19.5" Vent Pipe Extension, pn 224052
  •  Rinnai/Ubbink 39" Vent Pipe Extension, pn 224053

Group C

  •  Rinnai/Ubbink Wall Thimble, fits 2x4 or 2x6 wall construction, pn 224045
  •  Rinnai/Ubbink Metal Pass Through Plate, pn 224097

Installation Help and Recommendations

We recommend that you have a professional tankless water heater installer review the above recommendations. Need an installer? Get 4 FREE Tankless Water Heater Installation Estimates Now. It's Quick and Easy!
Contractors: Get Targeted Consumer Leads in Your Area Now.
Contractors: Apply for Wholesale Pricing from GadgetsGo.com.


Documents

Installation and Operation Manual
Energy Guide: V75i_VC2528FFU-US
• Detailed Specifications
Hot Water Design Manual

Frequently Asked Question

Q1: Can this heater be used with 1/2" pipe?
A1: The normal connection for both gas and water supply is 3/4" MNPT. For gas, you can use other pipe sizes as long as you maintain between 8 and 13.5" of water column. For water, you can use other pipe sizes; but since that will affect your flow rate, your output water temperature will be different from the calculations shown with 3/4" MNPT.

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