A key lock or keypad lock protects electrical devices from accidental input via the keyboard or touchscreen. Especially with mobile phones, the key lock has prevailed, as many owners carry their phone loose in the bag with their and unintentional pressing the buttons – and thus unwanted actions (connection setup, etc.) – can be done quickly.

But why do you need a key lock on a circulating pump?

In discussions with many installers, we have learned that the homeowner like to make adjustments to your heating systems or circulation pumps. In order to protect the settings and characteristics against improper adjustment and avoid unnecessary service, we have developed a key lock.

To the circulating pumps with key lock

• WITA^® Delta MIDI 40
• WITA^® Delta MIDI 60
• WITA^® Delta TOP 40
• WITA^® Delta TOP 60
• WITA^® Delta UP 70
• WITA^® Delta MAXI 80

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