Bosch applications manual | 06.2009BOSCH THERMOTECHNOLOGY CORPORATION
Bosch applications manual
| 5
3 Tankless Water Heater accessories
See Table 1 for available accessories for the Bosch line of tankless
water heaters.
NOTE: Only models that have accessories available are listed in
the table below.
Available accessories Table 1
715 ES C 800 ES C 920 ES/ESC
Concentric Vent/air Intake kit - stainless steel (part# ESHCK ) √
Concentric termination kit - PVC (part# 196016) √√
Exhaust / intake bird screen (part# L2594) √√
Vertical vent kit (part# ESVVT) √
Horizontal vent kit (part# 4TWHVK3SII) √
Outdoor kit (part# PTOK) √√√
Wireless remote control (part# TSTAT2) √√√
Cascading kit (part# TLINK) √√√
Freeze prevention kit (part# 7709003665) √√√
External water fi lter (part# 8703305356) √√√
Gas conversion kit (part# 8719002176) √
PVC Condensate drain tee (part# 196061)* √√
Condensate neutralization cartridge kit (part# JM-2KIT) √√
* Also included in the Concentric termination kit (part# 196016)
4 Water Quality
Poor water quality will have an impact on appliance longevity and
may void the manufacturer’s warranty. For water analysis data call
your local water department, or if on a well, have well water ana-
lyzed periodically. If water quality exceeds one or more of the values
specifi ed below, Bosch recommends consulting a local water
treatment professional for water softening/conditioning options.
Water quality max. levels Table 2
Description Max. Levels
pH pH 6.5 - 8.5
TDS (Total Dissolved Solids) mg/l or ppm 500
Total hardness mg/l or ppm 100 (6 grains)
Aluminum mg/l or ppm 2.0
Chlorides mg/l or ppm 250
Copper mg/l or ppm 1.0
Iron mg/l or ppm 0.3
Manganese mg/l or ppm 0.05
Zinc mg/l or ppm 5.0
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