Therma-Flow series hot water boosters have been specifically designed to eliminate service problems. All fittings have been positioned for front access, enabling the units to be conveniently installed even in tight corners. In addition, the anode rod can be removed without dismantling the jacket top and related water pipe connections. The installation of a therma-flow/everhot hot water booster will enable the present boiler to operate at a lower temperature, thereby reducing overall fuel consumption.

High density fiberglass insulation
• Heavy gauge steel jacket
• Equipped with immersion type aquastat, bronze circulator
• 5 years guarantee
  

  Therma-Flow 690-65

Therma-Flow S30GL Glass Lined Steel Center Flue Oil-Fired Water Heater, 30 Gallon

Designed and built to provide the homeowner and commercial user with dependable, highly efficient, production of hot water within a durable, long lasting water heater unit
• All units are periodically tested by an independent laboratory to assure the highest achievable ratings for efficiency and reliable hot water flow
• Ease of maintenance
• All piped fittings are accessible from the front of the heater for servicing
• The"female" temperature and pressure adapter will directly accept the"male" temperature and pressure relief valve
• An extra large observation door for flame inspection and testing
• Piping feeds slightly different on copper unit
• Attractive baked enamel steel jacket
• High density blanket insulation
• Quality, fuel efficient beckett or carlin flame retention burner
• Burner and immersion type dual aquastat prewired at factory
• Oil burner nozzle is installed at factory
• 6" diameter flue collar
• 0.75 firing rate
  

  therma-flow 690-54

Rinnai RL75IN Natural Gas Indoor Forced Combustion Tankless Water Heater, 7.5 gpm, 10300 - 180000 BTU

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 Sealed Combustion Condensing Water Heater 180K BTU Natural Gas,

Noritz CB180-DV-NG

Noritz CB199-DV Cold Rolled Carbon Steel Wall Hung Sealed Combustion Condensing Natural Gas Fired Combination Water Boiler, Above 95% AFUE, 199 BTU

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 Residential Direct Vent Natural Condensing Tankless Water Heater 180K BTU,

Noritz GQ-C2857WS-FF-US

ECR International H2OIG50DK Indirect Water Heater 53 Gallon

ECR International H2OIG50DK

Navien NPE24 A Cold Rolled Carbon Steel Premium Wall-Hung Natural/Propane Gas Condensing Tankless Water Heater, 11.2 gpm at 35 deg F, 5.6 gpm at 67 deg F, 199 - 1999 BTU

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 Residential Indoor Direct Vent Hot Water Heater Min BTU 16000 Max BTU 180,000 120 VAC Propane,

Noritz NRC98-DV-LP

Noritz NRC711-DV-NG Condensing Tankless Water Heater Natural Gas

Noritz NRC711-DV-NG

Rheem RTG-84DVLN Ultra Low Nox Mid-Efficiency Indoor Direct Vent Hot Water Heater Min BTU 110,00 Max BTU 150,000 120 VAC Natural Gas

Rheem Water Heaters RTG-84DVLN