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6 | TWH-G2-03 | 2400E, 2400EO, 635ES, 635ESO, 250SX, 250SXO
Common causes of low gas pressure
Appliance gas connector is not at least ¾".
Gas line was not sized large enough. Most often found in retrofi t
applications.
The gas fi lter on the bottom of the unit is clogged with pipe
dope or other debris.
Gas meter or regulator is not set to deliver enough gas or is
defective. Have gas or propane supplier verify proper operation.
Data subject to change without notice | Printed in the USA | 03.2007
Service bulletin
BBT North America Corporation
Bosch Group
Bosch Water Heating
340 Mad River Park
Waitsfi eld, VT 05673
Telephone 800-642-3111
Fax (802) 496-6924
techsupport@boschhotwater.com
Bosch Water Heating
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