The Worcester Bosch Filling Key is a large, compact key designed for filling and maintaining storage tank water heaters. Made of durable plastic, this key is specifically used with gas boilers and has an energy efficiency rating of A+++. With a voltage of 240V and a power source of gas, this white key is a reliable and efficient tool for your heating system. Manufactured in Italy, this key is a valuable addition to your home heating setup, ensuring smooth operation and maintenance of your boiler.
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