Gas safety valve that includes a body having an inlet conduit and an outlet conduit. The body includes a housing in which a magnetic group is at least partially disposed. The magnetic group configured to regulate the opening or closing of a gas passage between the inlet conduit to the outlet conduit. The magnetic group includes an electromagnet, a support of the electromagnet and a bushing coupled to the support. The safety valve includes fixing means for fixing the bushing and the magnetic group to the body. The fixing means includes a fixing element having a cylindrical central part the free end of which is adapted to the geometry of the body retaining the fixing element against the body, and a flange extending radially towards the inside and retaining the bushing against the support.

A control device for gas appliances (1) comprises: a manual-control element (12, 22); a circuit arrangement (25a) that includes control elements, electrical-interconnection elements, detection elements for detecting actuation of the manual-control element (12, 22) and supplying corresponding signals to the control elements; and a supporting structure (21), which can be associated in a stationary way with respect to a gas tap, wherein the supporting structure (21) includes at least one first part of stationary structure (40, 41) that defines a housing for at least part of the circuit arrangement (25a), the first part of structure (40, 41) being in particular designed for being housed within a body of a gas appliance. The control elements are designed for counting the time, and the device includes optical warning elements (43, LG).

A control device for gas appliances comprises: a manual-control element (22), which can be turned about a first axis (A) for setting a time interval; a circuit arrangement (25) that includes a sensor device, configured for detecting movements of the manual-control means (22); and a supporting structure (21), which can be associated in a stationary way to a gas tap (10), the supporting structure (21) being designed for being mounted within a body of a gas appliance. At least one of the manual-control element (22) and the supporting structure (21) has an axial cavity or defines at least part of a passage, where there can be received a corresponding part of the gas tap (10). A part of the sensor device is movable with respect to a second axis (B), and operatively set between the manual-control element (22) and the movable part of the sensor device is a transmission arrangement (28-30).

A control device for gas appliances comprises: a manual-control element (12, 22); a circuit arrangement that includes control elements, electrical-interconnection elements, detection elements configured for detecting actuation of the manual-control element (12, 22) and supplying corresponding signals to the control elements; and a supporting structure that can be associated in a stationary way with respect to a gas tap (10), wherein the supporting structure includes a first part of stationary structure (21) that defines a housing for at least part of the circuit arrangement, the first part of structure being in particular designed for being housed within a body (3) of the gas appliance. The control elements are designed for counting the time, the circuit arrangement includes display elements (D), and the supporting structure includes a second part of stationary structure (43, 44) associated to or projecting from the first part of structure (21) and configured for supporting the display elements (D) in a fixed or not angularly rotatable position, where in particular, in an installed condition of the device (20), the second part of structure (43, 44) projects on the outside of the body (2, 3) of the gas appliance (1).

A quick-change thermocouple system for hot water heaters is disclosed, comprising multiple thermocouples pre-installed on a pull bar within the flame chamber. The system allows for easy replacement of faulty thermocouples without specialized tools or technical knowledge. When a thermocouple fails, the user pulls an external handle, sliding the pull bar to position a new thermocouple over the pilot flame. This action removes the faulty thermocouple and simultaneously installs a fresh one. The system significantly reduces hot water service downtime, eliminates the need for professional intervention, and improves safety by ensuring correct thermocouple replacement. It can be implemented with minimal changes to existing hot water heater designs and allows for multiple replacements without opening the unit. This invention extends the operational lifespan of hot water heaters, reduces costs for homeowners, and promotes self-reliance in home appliance maintenance.