Submittal Sheet
Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances | BTC 436008102 A | 07.2011
Bosch Thermotechnology Corporation
Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: 1-800-283-3787 Fax: 1-603-584-1681 www.bosch-climate.us
Engineering Submittal Sheet
Bosch Greenstar
57, 100, 131, 151 Heating Boiler
4 of 7
Technical data Greenstar 131 Heating Boiler
Output Unit NG LPG (propane)
Maximum nominal output (Pmax) 104/86 °F (40/30 °C) BTU/hr (kW) 122,800 (36.0)
122,800 (36.0)
Maximum nominal output (Pmax) 122/86 °F (50/30 °C) BTU/hr (kW) 121,800 (35.7) 121,800 (35.7)
Maximum nominal output (Pmax) 176/140 °F (80/60 °C) BTU/hr (kW) 116,700 (34.2) 116,700 (34.2)
Max. nominal thermal load (Qmax) heating (Hi) 180/79 °F (82/26 °C) BTU/hr (kW) 118,700 (34.8) 118,700 (34.8)
Max. nominal thermal load (Qmax) heating (Hs) 180/79 °F (82/26 °C) BTU/hr (kW) 131,900 (38.6) 129,100 (37.8)
Min. nominal output (Pmin) 104/86 °F (40/30 °C) BTU/hr (kW) 35,100 (10.3) 46,100 (13.5)
Min. nominal output (Pmin) 122/86 °F (50/30 °C) BTU/hr (kW) 34,800 (10.2) 45,700 (13.4)
Min. nominal output (Pmin) 176/140 °F (80/60 °C) BTU/hr (kW) 31,700 (9.3) 42,000 (12.3)
Min. nominal thermal load (Qmin) heating (Hi) 180/79 °F (82/26 °C) BTU/hr (kW) 32,400 (9.5) 42,700 (12.5)
Min. nominal thermal load (Qmin) heating (Hs) 180/79 °F (82/26 °C)
BTU/hr (kW) 36,000 (10.5)
46,400 (13.6)
Technical data Greenstar 131 Heating Boiler
Gas supply requirements Unit NG LPG (propane)
Natural Gas – Hs = 1,010 BTU/ft³ (37.3MJ/m³) ft³/hr (m³/h) 130 (3.7)
–
Liquid Propane Gas – HD-S = 2,500 BTU/ft³ (93.1MJ/m³) ft³/hr (m³/h) – 52 (1.5)
NG in. W.C. (mbar) 3.5-10.5” (8.7-26.1) –
LPG (propane)
in. W.C. (mbar) –
8-13” (19.9-32.3)
Technical data Greenstar 131 Heating Boiler
Condensate Unit NG LPG (propane)
Max. condensate quantity (t
R
= 86 °F (30 °C)) gph (l/h) 0.8 (3.1)
0.8 (3.1)
pH level, approx.
4.8
4.8
Technical data Greenstar 131 Heating Boiler
General Unit NG LPG (propane)
Voltage VAC 120
120
Frequency Hz 60 60
Max. power consumption (central heating mode) W 205 205
Max. power consumption (Stand-by) W < 6 < 6
Noise level dB(A) ≤ 44 ≤ 44
Maximum supply temperature °F ( °C) 194 (90) 194 (90)
Max. permissible operating pressure (P
MS
) heating psi (bar) 30 (2.07) 30 (2.07)
Permissible ambient temperature °F ( °C) 32 - 122 (0 - 50) 32 - 122 (0 - 50)
Nominal water capacity (heating) Gal (L) 0.925 (3.5) 0.925 (3.5)
Weight (without packaging) lbs. (kg) 103.6 (47) 103.6 (47)
Dimensions, W x H x D
inch
(mm)
17-21/64” × 33-15/32” × 13-57/64”
(440 × 850 × 353)







