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Bosch WR 250-1K B Series Installation And Operating Instructions Manual

Bosch WR 250-1K B Series Installation And Operating Instructions Manual

Gas instantaneous water heaters with battery ignition

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Summary of Contents for Bosch WR 250-1K B Series

  • Page 2 250 - 1 S 2400 325 - 1 S 2400 400 - 1 S 2400...
  • Page 3 Dimensions Gas connection (mm) WR 250… R1/2" R3/4" WR 325… R1/2" R3/4" WR 400... R1/2" R3/4"...
  • Page 4 Appliance Ratings WR 250 - 1... WR 325 - 1... WR 400 - 1... (17,5) (22.75) (28) Rated output MJ/h (kW) Rated input MJ/h (kW) (22,0) (29,0) (35,3) Gas inlet pressures Natural gas kPa (mbar) 1,11 (11,1) 1,11 (11,1) 1,11 (11,1) LP gases kPa (mbar)
  • Page 7 Problem Cause Solution Appliance does not light. Batteries installed incorrectly. Install correctly. Batteries worn out. Replace batteries 2 x "D" Cell. Micro switch. Adjust / replace switch. Pilot solenoid. Replace solenoid. Over temperature switch. Replace switch. No power to pilot solenoid. Replace ICU.

This manual is also suitable for:

Wr 325-1k b seriesWr 400-1k b series