Accessories

The Extras.

Eternal accessories are specifically designed to simplify the installation process, as well as add convenience to the user experience.

Eternal Condensing Hybrid Accessories

Outdoor Vent Kit

Outdoor Vent KitItem#: 314070074

This kit allows the GU145(S) and GU195(S,M) to be safely installed outdoors. Specific venting holes are directionally engineered to prevent improper combustion in challenging weather, and the intake and exhaust are protected from large debris. Made of durable stainless steel, the kit stays clean year round.

Side Vent Terminator for 3" PVC

Side Vent TerminatorItem#: 151140130

This attractive, durable stainless steel cap is designed to slide into 3" PVC pipe for horizontal termination. Additional sealant is recommended to ensure a tight seal between PVC and the terminator.

Water Heater Stand Kit

Water Heater Stand KitItem#: 314080136

The kit is designed for compliance with commercial food service requirements where a water heater must be elevated at least 6" off the ground to provide access for floor cleaning. Additionally, the kit also satisfies code where a water heater's source of ignition must be at least 18" above ground.

Remote Controller Kit

Remote Controller KitItem#: 314070039

Eternal Condensing Hybrids can be controlled by up to 3 remote controller kits. The remote adds convenience where the main unit may not be easily accessible, or situations where a change in temperature setting may be desired at arm's length. Priority button allows temperature setting to be locked at either the unit or at the remote, and the kit also displays GPM and Error Code data.

Concentric Termination Kit

Concentric Termination KitItem#: ECHCVT01

This PVC kit is code compliant for installations where only a single penetration is desired through either the wall or roof when Eternal GU145(S) or GU195(S,M) is installed as a Direct Vent appliance. The intake and exhaust connections are 3" and the combined outer diameter is 5".

Eternal Condensate Neutralizer Kit

Eternal Condensate Neutralizer KitItem#: ECHNK01

As a condensing appliance, Eternal’s condensate discharge may be required by local code to be neutralized before draining into the sewage. This kit is easy to install and regulates the discharge at 7pH to meet such code requirement. The cartridge is replaceable and should be checked once a year.

Eternal Condensate Neutralizer Cartridge

Item#: ECHNR01Eternal Condensate Neutralizer Cartride

Replacement neutralizer cartridge for the Eternal Condensate Neutralizer Kit, this part should be checked once a year to make sure that the condensate discharge is compliant with local code requirements.

Original Eternal Hybrid™ Accessories

Outdoor Vent Kit

Item # 301080190Outdoor Vent Kit

Eternal Hybrid™™™ power vent models can be installed outdoors using this 1-piece outdoor kit which connects to the Eternal collar to prevent debris and rain from entering the unit.

  • Durable stainless steel construction
  • Easy installation
  • Professional appearance
  • Overall dimensions: 20" H X 4" diameter with 6.5" round rain cap

Side Vent Terminator

Item # 151010187Side Vent Terminator

This attractive, durable, stainless steel cap is designed to slide into PVC pipe for horizontal termination. Additional sealant is recommended to ensure a tight seal between PVC and the terminator.

LP Conversion Kit

LP Conversion Kit26U Item # 301070276
32U Item # 302070276

These LP Conversion Kits allow you to field convert the Natural Gas Eternal unit for LP use. The LP kit improves combustion dynamics, better balances the mix ratio of air to fuel, and can help improve fuel efficiency as well.

Vertical Adaptor

Item # 151010247Vertical Adaptor

This adaptor allows the use of a 4” metal cap when PVC venting needs to be vertically terminated. Eternal is a Category III appliance so all venting run within living space must remain gas tight. The adaptor should only be used outside the living space above roofline for termination purpose.

Remote Controller

Remote ControllerItem # 311070258

Remote Controller adds convenience to the already smart Eternal Heaters; especially for units that are installed in hard to reach locations.

  • Digital Monitor displays the current set temperature and alerts the user in case of error
  • In Use Indicator shows when the burner is on and the unit is working
  • Transfer indicator with control lock shows when the Remote Controller has priority over all controls; functions can only be changed at the Remote Controller when the transfer button is pressed
  • Easy to use thermostat buttons to change settings
  • Hidden mounts allows the Remote Controller to be installed on the wall without showing any wires or mounting hardware
  • 1 Remote Controller per unit can be used
  • Dimensions: 6 1/8" H X 4 5/16" W X 7/8" D

Multi Controller Unit

Multi Controller UnitItem # 311070280

MCU kit allows multiple Eternals to be linked (required on 3 or more units, 1 kit per unit) together in parallel manifold configuration. By doing so, Eternals can be suitable for large commercial projects; such as motels, apartment complexes and Laundromats etc...

  • High Tech CANBUS Protocol ensures good communication between units
  • Alternate Host Firing distributes wear and tear across all units every 24 hours
  • Redundancy program allows remaining units to work when a unit breaks down
  • Synchronized temperature control changes settings on all units from any unit
  • 16 Eternals can be networked and mixed and matched
  • Automated staged firing allows as little or as much units to fire up as needed
  • Automated load balancing distributes the work across necessary units evenly
  • Built-in digital monitor on MCU module for easy diagnostics
  • UL1998 Certified

Award Winning

Award WinningThe original Eternal Hybrid™ shook up the industry in 2006. It even caught Ed Sander's (of ABC's Extreme Makeover: Home Edition) attention.

How It Works

Find Out how the Eternal WorksWe break the laws of physics by taking an opposite approach to water heating. Compare the Eternal difference to how other water heaters work.

Customer Reviews

See What Other Customers are Saying about the EternalWant to see what actual customers think of their Eternal Hybrid™? Read our most recent reviews posted by owners and check out our testimonials section.

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