Fagor Eco Plus Fa 15-20 Manual ((link)) -

Turn the main selector switch to the "On" position (usually indicated by a radiator or tap icon).

The FEB-20E is designed to prioritize your hot water while keeping your radiators warm. Fagor Eco Plus Fa 15-20 Manual

Maximum output of 23.7 kW (or approximately 23.8 kW / 20,468 kcal/h) for both heating and hot water. Temperature Regulation: Central Heating: 60°C to 85°C. Domestic Hot Water (DHW): 35°C to 60°C. Turn the main selector switch to the "On"

: Use the front-facing pressure gauge to confirm it is within the 0.75–1 bar range. Temperature Regulation: Central Heating: 60°C to 85°C

: Turn the main control switch to the winter setting to enable both heating and hot water services. Essential Technical Specifications Spare parts for gas boilers FAGOR ECOPLUS FA 20

To ensure the boiler functions correctly, follow these preliminary steps and control settings: Gas Supply : Ensure the gas cock is in the "Open" position.