Dimensions Guide

E75C / E110 Condensing Boiler
E75C / E110C SP 2/2011
© 2011 Rinnai Corporation
SPECIFICATIONS
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
Standard Features
• Onboard outdoor reset control system with sensor standard
• Prebuilt plumbing kit with insulated Low Loss Header
• Priority DHW standard
• Built in DHW plate heat exchanger
• Domestic hot water plate warming
• Modulating Ceramic premix burner
• 5:1 turn down ratio
• Spark ignition
• Exceeds SCAQMD 1146.2 Low NO
x
requirements
• Stainless Steel Water tube condensing heat exchanger
• Direct Vent sealed combustion
• Concentric and twin pipe venting adapters included
• Approved for room and closet installations
Optional Accessories
• RS100 Single zone controller
• Flue Gas temperature sensor
• Room Air Filter
• NG to LP conversion Kit
• LP to NG Conversion Kit
General Specifications
Boiler
Model
Boiler
Model
E75C E110C
Water content gal 0.9 1.3
Max. supply boiler
temperature
°F 176 176
Max operating pressure psi 45 45
Relief valve rating MBH 375 375
Relief valve pressure rating psi 30 30
Dry weight lbs 91 101
Min inlet gas pressure NG "W.C. 4.0" 4.0"
Max inlet gas pressure NG "W.C. 10.5" 10.5"
Min inlet gas pressure LP "W.C. 8.0" 8.0"
Max inlet gas pressure LP "W.C. 14.0” 14.0”
Max equivalent exhaust
vent length
ft 100 100
Max equivalent combustion
air vent length
ft 100 100
Approved venting materials
Polypropylene,
Stainless Steel,
PVC, CPVC
Units
Performance Specifications
Units
E75C E110C
Fuel Type NG/LP NG/LP
Input MBH 75 110
Heating Capacity MBH 69 101
AFUE (I=B=R) % 96.5 96.1
Part Load Efficiency
(EN677)
% 98.8 99.0
DHW flow rate 75°F ΔT gpm 2.1 3.2
Boiler Model
Electrical Specifications
Units
E75C E110C
Electrical Voltage Mains V/Hz 120/60 120/60
Electrical Voltage Controls V 24 24
Power Consumption Max
Load
W 145 145
Power Consumption Stand
by Load
W 14 14
Recommended Circuit
breaker rating
A 15 15
Boiler Model