Question about Heating & Cooling
My vaillant ecotec plus 824 boiler is showing an error code F22 and pressure is down nto 0.2 bar can you shed any light please?
F.22 Dry fire Too little water in the appliance, water pressure sensor defective,
cable to pump or water sensor defective, pump blocked or defective,
pump output too low
Posted on May 12, 2010
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Posted on Jan 02, 2017
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