Bosch Appliances GWH 425 PN/HN4GWH 4254 Water Heater User Manual


 
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Applications manual
Application manual | 11.2007
Bosch Water Heating
5.1.5 Baseboard/ Radiant Panel space heating and DHW (without storage tank) plumbing diagram
Symbols
Note: This drawing is conceptual in nature and does not address all design, installation or safety considerations.
Additional safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers.
It is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications involved.
Drawing is not to scale.
Drawing # BBNTOL
CN revA 10/07
Service
valves
Bronze circulator
sized according to
UPC standards
Flow
direction
Note: Piping to fixtures not shown for clarity purposes.
Pressure
relief
valve
Thermostatic
mixing
valve
Aquastat
well & 12kohm
thermistor
Flow
check
valve
Baseboard/
Radiant
Panel
Bosch GWH 345 ESR,
Bosch GWH 450 ESR
Insulate
piping
DHW
PK
PS
Cold water
feed
Piping
Insulation