Bosch 830 ES - Specifications (Technical Data)

Appliance details
830 ES – 6 720 644 936 (2021/08)
10
3.2 Specifications (Technical data)
Approved in US
Technical characteristics Units 830 ES
Capacity
Maximum flow rate at a 25 °F (13.9 °C) rise GPM (l/min) 11.6 (43.8)
Maximum flow rate at a 35 °F (19.4 °C) rise GPM (l/min) 8.3 (31.3)
Maximum flow rate at a 45 °F (25 °C) rise GPM (l/min) 6.4 (24.4)
Maximum flow rate at a 55 °F (30.6 °C) rise GPM (l/min) 5.3 (19.9)
Maximum flow rate at a 75 °F (41.7 °C) rise GPM (l/min) 3.9 (14.6)
Maximum flow rate at a 90 °F (50 °C) rise GPM (l/min) 3.2 (12.2)
Maximum output BTU/hr (kW) 147,000 (43)
Maximum input BTU/hr (kW) 175,000 (51.2)
Thermal efficiency (Efficiency in %) % > 83%
Minimum Input BTU/hr (kW) 19,900 (5.8)
Temperature Control
Selection range °F ( °C) 100 - 140 (38 - 60)
Default temperature °F ( °C) 122 (50)
Stability °F ( °C) ± 2 (± 1)
Gas Requirement
Gas connection inches ¾"
Peak load inlet gas pressure
1)
Propane water column 8” - 13”
Natural Gas water column 3.5” - 10.5”
Water
Hot water connection inches ¾"
Cold water connection inches ¾"
Minimum water flow
2)
GPM (l/min) 0.5 (1.9)
Minimum recommended water pressure PSI (bar) 30 (2.07)
Minimum well pressure PSI 40
Water valve material Polymer (PPS) (Polypropylene Sulfide)
Connections: Bottom of heater
Combustion
CO level ppm ≤ 250 (measured)
CO
2
level (set from factory) % see table 36
Dimensions
Depth inches (mm) 11 ¼ (286)
Width inches (mm) 17
7
/
8
(452)
Height inches (mm) 30½ (775)
Weight pounds (kg) 67 (30.5)
Gas types
Natural Gas
LP Gas