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Rinnai 75,000 BTU condensing wall-mounted gas boiler - E75C
Item #: E75C

Rinnai 75,000 BTU condensing wall-mounted gas boiler - E75CClick to Enlarge
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OUR PRICE: $3,020.98
Regular price: $3,780.00
Sale Price: $3,020.98
You Save: 20%
Availability: Not Available for Sale

Types of gas


Efficiency Attributes

Rinnai’s full line of high-efficiency boilers is designed to provide unprecedented comfort – and unparalleled savings. With their proprietary heat exchanger and modulating gas valve technology, Rinnai boilers deliver unsurpassed energy efficiency, while ensuring optimum comfort – whether you’re heating your home or domestic water. Thanks to Rinnai’s advanced technology, all Rinnai boilers have earned the coveted Energy Star – your assurance of superior performance and maximum energy savings.

Rinnai E Series
  • Two compact combi models for heating and domestic hot water
  • Stainless steel heat exchanger
  • Integrated stainless steel plate heat exchanger for DHW
  • Installer selectable plate-warming feature for faster DHW delivery
  • Integrated pump and expansion tank
  • Venting lengths of up to 200’
  • Complies with SCAQMD low NOx requirements
  • 5:1 turn-down ratio
  • Domestic hot water priority
Product Features:
  • ENERGY STAR qualified
  • 96.5% AFUE rating
  • Stainless steel primary boiler heat exchanger
  • Copper nickel integrated secondary plate exchanger
  • Compact wall-mounted design saves space over traditional boilers
  • Integrated single-speed pump and expansion tank
  • Super quiet operation
  • Outdoor reset function with sensor included
  • Plumbing kits with low-loss header included
  • Available in Natural Gas or Propane
  • Variety of venting options available
  • ASME accredit units

Part View
Rinnai 75,000 BTU condensing wall-mounted gas boiler - E75C is an Energy Star certified product. According, to the Energy Star by replacing your old boiler to Rinnai Gas Boiler, you'd save...

CO2 Emission:

40% reduction per MMBtu


53.4% reduction in utility bills


more than $1,000 saved on utility bills

Use Rinnai's Energy Savings Calculator to quickly figure the cost savings.

Dimensions: 20” W x 26” H x 16” D
Weight 86 lbs.
Approved Gas Types Natural Gas or Propane
Minimum/Maximum Gas Rate Input BTUs (Heating) 17,000 - 75,000 (NG) and 37,000 - 75,000 (LP)
Minimum/Maximum Gas Rate Input BTU's (Direct Hot Water) 17,000 - 85,000 (NG) and 37,000 - 85,000 (LP)
Maximum Flow Rate 2.1 GPM (75° F Delta T)
AFUE Rating 96.5% (NG and LP)
Optional Digital Controller RS100

General Specifications:
Water content gal 0.9
Max. supply boiler temperature °F 176
Max operating pressure psi 45
Relief valve rating MBH 375
Relief valve pressure rating psi 30
Dry weight lbs 91
Min inlet gas pressure NG "W.C. 4.0"
Max inlet gas pressure NG "W.C. 10.5"
Min inlet gas pressure LP "W.C. 8.0"
Max inlet gas pressure LP "W.C. 14.0”
Max equivalent exhaust vent length ft 100
Max equivalent combustion air vent length ft 100
Approved venting materials Polypropylene, Stainless Steel, PVC, CPVC

Performance Specifications:
Fuel Type NG/LP
Input MBH 75
Heating Capacity MBH 69
AFUE (I=B=R) % 96.5
Part Load Efficiency(EN677) % 98.8
DHW flow rate 75°F ?T gpm 2.1

Electrical Specifications:
Electrical Voltage Mains V/Hz 120/60
Electrical Voltage Controls V 24
Power Consumption Max Load W 145
Power Consumption Stand W 14
Recommended Circuit A 15



Additional Information:
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