Brochure

Technical
specifications
Application Space Heating + DHW Space Heating Only
Models
Greenstar
Combi 100
Greenstar
Combi 151
Greenstar
57
Greenstar
100
Greenstar
131
Greenstar
151
Description ZWB28-3 ZWB42-3 ZBR16-3 ZBR28-3 ZBR35-3 ZBR42-3
Part Number
7738100002 7713331041 7712231416 7712231415 7712231414 7712231413
Performance Specifications
Fuel NG / LP NG / LP NG / LP NG / LP NG / LP NG / LP
Input Maximum (MBH) 100.8 151.6 57.2 100.8 131.9 151.6
Input Minimum (MBH) 34.6 36 12.9 24.6 36 36
DOE Heating Capacity (MBH) 89.4 134.4 50.8 89.4 116.7 134.4
Net I=B=R (MBH) 79 117 45 79 103 117
AFUE 96.0% 94.3% 96.1% 96.0% 96.0% 94.3%
Low Temp Application Efciencies 98.5% 96.8% 98.7% 98.5% 97.5% 96.8%
DHW Flow Max (ΔT at 72°F) 2.65 GPM 4.0 GPM - - - -
Water Volume
0.952 Gal.
(3.5 L)
0.952 Gal.
(3.5 L)
0.952 Gal.
(3.5 L)
0.952 Gal.
(3.5 L)
0.952 Gal.
(3.5 L)
0.952 Gal.
(3.5 L)
Technical Data
Weight
(Without Packaging)
110.2 Lbs.
(50 kg)
110.2 Lbs.
(50 kg)
103.6 Lbs.
(47 kg)
103.6 Lbs.
(47 kg)
103.6 Lbs.
(47 kg)
103.6 Lbs.
(47 kg)
Dimensions
W x H x D
17.4" x 33.5"
x 13.9"
17.4" x 33.5"
x 13.9"
17.4" x 33.5"
x 13.9"
17.4" x 33.5"
x 13.9"
17.4" x 33.5"
x 13.9"
17.4" x 33.5"
x 13.9"
Minimum Recommended
Pipe Size
1" 1" 1" 1" 1" 1"
Supply Tappings 1" 1" 1" 1" 1" 1"
Return Tappings 1" 1" 1" 1" 1" 1"
Domestic Cold Water Supply ¾" ¾" - - - -
Domestic Hot Water Supply ¾" ¾" - - - -
Gas Connection Size ¾" ¾" ¾" ¾" ¾" ¾"
Vent Size 2" - 3" 2" - 3" 2" - 3" 2" - 3" 2" - 3" 2" - 3"
Vent Material PVC / CPVC PVC / CPVC PVC / CPVC PVC / CPVC PVC / CPVC PVC / CPVC
Combustion Air Size 2" - 3" 2" - 3" 2" - 3" 2" - 3" 2" - 3" 2" - 3"
High Altitude Capability
No De-Rating
up to 7,000'
De-Rated
No De-Rating
up to 7,000'
No De-Rating
up to 7,000'
No De-Rating
up to 7,000'
De-Rated
Gas Pressure Minimum w.c. NG 3.5" - LP 8" NG 3.5" - LP 8" NG 3.5" - LP 8" NG 3.5" - LP 8" NG 3.5" - LP 8" NG 3.5" - LP 8"
Included Package Contents
Al-Si Heat Exchanger
     
3 Speed Grundfos
Integrated Pump
     
Integrated Expansion Vessel 3.17 Gal. (12 L) 3.17 Gal. (12 L) - - - -
FW200 Weather
Compensation Control
     
Heatronic III - Control PCB
     
Hydronics Manifold Bracket
with NPT Connection
     
Twin Pipe Flue Adapter
     
Tank Sensor - -
   
System Supply Sensor
     
NG / LP Conversion Kit
     
Condensate Trap Drain Hose
     
7 | New! Bosch Greenstar residential space & water heating boiler solutions