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Absolute Boilers ABS 1500-2000-2500-3000-4000
11.1.9 Sight glass cleaning
CAUTION
Turn electrical off, then ensure gas has been shut off at the main shut off valve. Next purge all gas in the system as
per code. The ignition/ionization rod may be hot, allow enough time to let boiler cool before removing the ignition/
ionization rod.
Remove the two retaining screws on the inspection glass holder, clean and replace. Re-assemble boiler in reverse order,
check front plate gasket and insulation piece, replace if required. Also check the gasket on fan and on gas valve, replace
if necessary. Ensure that all cables are routed correctly using existing clips and ties were possible to ensure that they
do not touch any hot parts of the boiler.
CAUTION
Ensure that wires do not come into contact with hot boiler parts. Commission boiler in accordance with section 10.1;
complete site report and/or boiler log book if present
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