Temperature controlled, continuous flow, gas hot water system
• Water flow sensor, electronic water control device and fixed by-pass
• Rinnai Circ-Logic - recirculation program cycles external pump
• Water temperature control - simulation feed forward and feedback
• Controller cable - non-polarized 2-core cable, minimum 22 AWG wire
• Safety devices: flame failure - flame rod, boiling protection, combustion fan RPM check, over current - glass fuse, remaining flame (OHS), thermal fuse, automatic frost protection
• Limited warranty - 12 years heat exchanger for residential, 10 years for residential and space heating, 5 years for commercial, 5 years all other parts, 1 year labor
  

  Rinnai RL75IN

Noritz CB180-DV-NG

STS 3 4 stainless steel heat exchanger
• Direct electronic ignition, automatic flame sensing
• Temperature controls includes remote thermostat that can precisely adjust the output temperature with the capability to display temperatures
• Outdoor reset control built-in customizable programming for energy savings and comfort with outdoor temperature sensor
• Durable steel casing with polyester coating
• 6 feet power cord installation kit
• Flame sensor, over heat cut-off limit switch, gas leak detector sensor, water leak detector sensor, exhaust temperature sensor, pressure sensor, heating supply temperature sensor
• Internal pump used as primary closed loop for heating mode and pre-heating of internal plate heat exchanger in domestic mode
• 3/4" gas pipe connection
• 15 - 15 psi operating pressure
• Pre-mixed metal fiber burner
• 1 years limited heat exchanger warranty for residential use and 5 years limited parts warranty
  

  Noritz CB199-DV-NG

Noritz GQ-C2857WS-FF-US

ECR International H2OIG50DK

Field convertible gas system
• Ultra condensing efficiency
• Low NOx emissions (less than or equal to 2 ppm)
• Cascading capable
• SCH 4 , 2" venting up to 6 feet
• Less water pressure drop
• The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications
• Intelligent preheating technology
  

  Navien NPE-240A

Noritz NRC98-DV-LP

Noritz NRC711-DV-NG

Rheem Water Heaters RTG-84DVLN

Rheem Water Heaters RTG-95DVLN