Drain Pump – Sump Improvements To Aid Draining - Bosch SHI4302 Manual

VIII. Troubleshooting
VIII. Troubleshooting
Drain Pump
Drain Pump
Two improvements have been made in sump parts
during mid 2003 to improve draining. Drain pump
performance can be optimized if these parts are
replaced when drain pumps are replaced.
Old cover 165263 shown
Drain pump covers were
changed from 165263 to
423419 to provide better
water flow and resistance to
jamming.
– Sump Improvements to aid Draining
– Sump Improvements to aid Draining
Check (backflow)
were changed to provide
superior leak
The new material is leak
proof. Part # is still 165262.
89
Old valve 165262 shown
valves
resistance.