llave llenado caldera immergas 1021831 venezia or the plastic has lost

or the plastic has lost rigidity

SGS09A12/17 LOGIXX BOSCH

Vaillant - VCM 180/1

850347529000 DP143 LADEN

llave llenado caldera immergas 1021831 venezia or the plastic has lostThis filling key is an essential component for IMMERGAS boilers, designed to recharge and maintain the water pressure in the heating system. It ensures the proper operation of the equipment, allowing the boiler pressure to be raised to an optimal range of 1 to 1. 2 bar. Main features: Filling key for boilers Knob available in blue or black Technical Specifications: Brand Code IMMERGAS 1. 021831 (ex 1. 016983) UNICAL 02477C Compatible models: Ares