HR Standard

HR Horizontal Indirect Water Heater

The HR is designed for horizontal applications and is perfect for installation under stairs, in crawlspaces and other height challenged areas. The large single coil is manufactured with a high heat transfer to deliver more BTUs for rapid recovery and continuous operation. The larger diameter coil enables your system to operate with a low pressure drop. The tank is equipped with a ¾” fitting allowing for a re-circ line or alternately for powered titanium anode (purchased separately) for those that have problems with (Smelly Water) or have aggressive water and water quality concerns. AMI tanks are constructed from heavy gauge 316L Stainless Steel that is further pickled and passivated for superior longevity and corrosion resistance. Leading the way with the best in the industry 2.5″ thick “R”value -16.5 H/CFC-free polyurethane insulation exceeds all code requirements for standby losses.


  • Low profile for low headroom areas
  • Long coil for faster recovery rates
  • 2.5″ Polyurethane Foam Insulation  “R” Value 16.5

(Eliminates the need for after-market blankets)

  • 100% high quality 316L stainless steel construction
  • Pickled and Passivated for superior longevity and corrosion resistance.
  • High capacity storage for commercial and industrial applications
  • Designed for quick and simple installation
  • Powder coated steel jacket for high quality finish and durability
  • Customized tanks available upon request
  • Complete package with aquastat, s/steel aquastat well, temp-pressure relief valve and tee drain valve **drain not supplied with 120gallon tanks




Maximum Operating Pressure:

Shell: 150 PSI
Coil: 150 PSI

Limited Warranty:

15 years on residential tanks
5 years on commercial tanks


Capacity(US Gal) Heating Surface(Sq. ft) Coil Length(Ft) Shipping Weight(Lbs)
J40 HR 40 7.85 30 220
J60 HR 60 7.85 30 250
J80 HRXL 80 13.09 40 307
J120 HRXL 119 13.09 40 378

80 HR Shown