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ManualsBrandsRinnai ManualsCommercial Water Heating3-Unit Interior LP Back-to-Back Free Standing Rack

CROSS REFERENCE FOR EXISTING

OR SPECIFIED SYSTEMS

Existing

or Speciﬁed

Systems

BTUH

As Speciﬁed

or Existing

Thermal

Eciency

400,000

As speciﬁed

or existing

≥ 93%

600,000

As speciﬁed

or existing

≥ 93%

800,000

As speciﬁed

or existing

≥ 93%

1,000,000

As speciﬁed

or existing

≥ 93%

1,200,000

As speciﬁed

or existing

≥ 93%

Product Sizing Disclaimers

• This Sizing Reference Guide and all information contained

herein is based on the proper installation and use of (1) a series of

Rinnai Tankless Water Heaters that are piped to a storage tank

and (2) an adequate and properly sized Recovery Pump that will

recover the storage tank (i.e., that will circulate water from the

Rinnai Tankless Water Heaters into the storage tank) thereby

allowing the Rinnai Tankless Water Heaters to properly heat the

water for the storage tank.

• This Sizing Reference Guide is intended to be used as a

guide only and not as a replacement for a professionally

engineered project.

• For additional information, please refer to the Rinnai Tankless

Rack System Manual or contact the Application Engineering

Center of Excellence at Rinnai America Corporation by calling

1 (800) 621-9419.

• Multiple TRS should be installed in parallel using a secondary

manifold from the building’s cold and hot water supply. You should

reference the particular section of the TRS installation manual for

piping multiple racks.

• The building’s circulation pump must be controlled by an

aquastat, timer, or both.

• 97% thermal eciency

• Direct replacement for domestic boilers

• Indoor/outdoor/wall/ﬂoor mount installations

• Multiple venting options

• No ASME inspection required

• Available factory-direct preventive maintenance

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