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Warranty
  • On demand hot water - no delay
  • Cut energy waste - Flow switch activates heater only when water is running, no standby heat loss
  • 99% Efficient, .99 energy factor
  • Endless hot water - No storage capacity to deplete
  • Reduces installation cost and material - No T&P valve required (check local codes)
  • Thermo optical sensor and predictive control algorithm ensures optimal heat management.
  • Easy Installation - Simple NPT fittings that require no soldering. Unit mounts directly to the wall with common hardware.
  • Prevents Legionella bacteria growth
  • Reduces calcification and sedimentation
  • Field Serviceable - All major component are field replaceable and readily available
  • Proudly made In the USA
Model GPM Turn On Minimum Operating Pressure Max Pressure Rating Power Volts Phase Amperage Recommended Wire Size Water Connection Plumbing Configuration
Model GPM Turn On Minimum Operating Pressure Max Pressure Rating Power Volts Phase Amperage Recommended Wire Size Water Connection Plumbing Configuration
AP061600 EFD 2.5 25 PSI 150 PSI 61.0 600V Three 59 6 AWG 1.25'' Bottom
AP071600 EFD 2.5 25 PSI 150 PSI 71.0 600V Three 68 4 AWG 1.25'' Bottom
AP102600 EFD 2.5 25 PSI 150 PSI 102.0 600V Three 98 1 AWG 1.25'' Bottom
AP032208 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 EE 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 N4 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 N4X 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 S 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 S N4 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP032208 S N4X 1 25 PSI 150 PSI 32.0 208V Three 89 1AWG 1.25'' Bottom
AP036208 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 EE 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 N4 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 N4X 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 S 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 S N4 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036208 S N4X 1 25 PSI 150 PSI 36.0 208V Three 100 8AWG 1.25'' Bottom
AP036480 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 EE 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 N4 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 N4X 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 S 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 S N4 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP036480 S N4X 1 25 PSI 150 PSI 36.0 480V Three 43 1AWG 1.25'' Bottom
AP039480 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 EE 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 N4 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 N4X 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 S 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 S N4 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP039480 S N4X 1 25 PSI 150 PSI 39.0 480V Three 47 6AWG 1.25'' Bottom
AP041208 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 EFD 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 N4 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 N4X 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 S 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 S N4 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP041208 S N4X 1 25 PSI 150 PSI 41.0 208V Three 114 1AWG 1.25'' Bottom
AP048480 1 25 PSI 150 PSI 48.0 480V Three 58 6AWG 1.25'' Bottom
AP048480 EFD 1 25 PSI 150 PSI 48.0 480V Three 58 6AWG 1.25'' Bottom
AP048480 N4 1 25 PSI 150 PSI 48.0 480V Three 58 6AWG 1.25'' Bottom
AP048480 N4X 1 25 PSI 150 PSI 48.0 480V Three 58 6AWG 1.25'' Bottom
AP054208 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 EFD 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 N4 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 N4X 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 S 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 S N4 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054208 S N4X 1.5 25 PSI 150 PSI 54.0 208V Three 150 2/0AWG 1.25'' Bottom
AP054480 1.5 25 PSI 150 PSI 54.0 480V Three 65 4AWG 1.25'' Bottom
AP054480 EFD 1.5 25 PSI 150 PSI 54.0 480V Three 65 4AWG 1.25'' Bottom
AP054480 N4 1.5 25 PSI 150 PSI 54.0 480V Three 65 4AWG 1.25'' Bottom
AP054480 N4X 1.5 25 PSI 150 PSI 54.0 480V Three 65 4AWG 1.25'' Bottom
AP063480 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 EFD 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 N4 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 N4X 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 S 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 S N4 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP063480 S N4X 2.5 25 PSI 150 PSI 63.0 480V Three 76 3AWG 1.25'' Bottom
AP064208 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 EFD 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 N4 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 N4X 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 S 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 S N4 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP064208 S N4X 2.5 25 PSI 150 PSI 64.0 208V Three 178 3/0AWG 1.25'' Bottom
AP072480 2.5 25 PSI 150 PSI 72.0 480V Three 87 3AWG 1.25'' Bottom
AP072480 EFD 2.5 25 PSI 150 PSI 72.0 480V Three 87 3AWG 1.25'' Bottom
AP072480 N4 2.5 25 PSI 150 PSI 72.0 480V Three 87 3AWG 1.25'' Bottom
AP072480 N4X 2.5 25 PSI 150 PSI 72.0 480V Three 87 3AWG 1.25'' Bottom
AP096480 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 EFD 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 N4 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 N4X 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 S 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 S N4 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP096480 S N4X 2.5 25 PSI 150 PSI 96.0 480V Three 116 1/0AWG 1.25'' Bottom
AP108480 2.5 25 PSI 150 PSI 108.0 480V Three 130 1/0AWG 1.25'' Bottom
AP108480 EFD 2.5 25 PSI 150 PSI 108.0 480V Three 130 1/0AWG 1.25'' Bottom
AP108480 N4 2.5 25 PSI 150 PSI 108.0 480V Three 130 1/0AWG 1.25'' Bottom
AP108480 N4X 2.5 25 PSI 150 PSI 108.0 480V Three 130 1/0AWG 1.25'' Bottom
AP126480 2.5 25 PSI 150 PSI 126.0 480V Three 152 2/0AWG 1.25'' Bottom
AP126480 EFD 2.5 25 PSI 150 PSI 126.0 480V Three 152 2/0AWG 1.25'' Bottom
AP126480 N4 2.5 25 PSI 150 PSI 126.0 480V Three 152 2/0AWG 1.25'' Bottom
AP126480 N4X 2.5 25 PSI 150 PSI 126.0 480V Three 152 2/0AWG 1.25'' Bottom
AP130600 2.5 25 PSI 150 PSI 130.0 600V Three 152 1AWG 1.25'' Bottom
AP130600 EFD 2.5 25 PSI 150 PSI 130.0 600V Three 125 1AWG 1.25'' Bottom
AP144480 2.5 25 PSI 150 PSI 144.0 480V Three 173 3/0AWG 1.25'' Bottom
AP144480 EFD 2.5 25 PSI 150 PSI 144.0 480V Three 173 3/0AWG 1.25'' Bottom
AP144480 N4 2.5 25 PSI 150 PSI 144.0 480V Three 173 3/0AWG 1.25'' Bottom
AP144480 N4X 2.5 25 PSI 150 PSI 144.0 480V Three 173 3/0AWG 1.25'' Bottom
AP150600 2.5 25 PSI 150 PSI 150.0 600V Three 125 1/0AWG 1.25'' Bottom
AP150600 EFD 2.5 25 PSI 150 PSI 150.0 600V Three 145 1/0AWG 1.25'' Bottom
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