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The original thermostat is damaged or has an electrical fault (circuit permanently open or closed)
KGN39XI40/12
BDFN 26430 WC 7620003977 BEKO
3HB505NP/35 BALAY
SRI45T05EU/21 BOSCH
bomba circulacion caldera roca 7803036 mangos-olla The original thermostat is damagedThe electronic circulation pump for Roca boilers with code 7803036 is an essential component that ensures the proper circulation of hot water within the heating circuit. Its main function is to drive the hot water from the boiler to the radiators and back, ensuring an even distribution of heat and efficient operation of the heating system. What problem does this replacement part solve? The boiler does not heat properly due to a defective circulation
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