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valvula de gas caldera viessmann 7828721 estabilidad dimensional hasta temperaturas de 55°c the door becomes loose or VS06B2348 03 the door becomes loose or does not open properly Reference: 5513221721 Compatible with Viessmann boilers of the Vitodens 100 W series and related models using the code 7828721 verify compatibility with your boiler’s model number and the original part code to ensure a perfect fit and avoid returns
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