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Plumberpro
Plumberpro, Home Appliance Technician
Category: Appliance
Satisfied Customers: 634
Experience:  Heating and hot water heating appliances experienced
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Vaillant 637 fault f61 reset boiler work few days then again

Customer Question

Hi vaillant 637 fault f61 reset boiler work few days then again f61 ive replace the gas valve everything seem ok all over sudden again f61
Submitted: 2 years ago.
Category: Appliance
Expert:  Plumberpro replied 2 years ago.

Hi , replace the cable harness to the gas valve ,fault most likely be here,but check the connections first .