L&F Universal Electronic 3781 Locker Lock (Wet Area)
£42.40 (ex VAT)
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The L&F Universal 3781 is engineered specifically for wet and high-moisture environments, making it the ideal electronic upgrade for gyms, swimming pools, spas and leisure centres. With a fully sealed, corrosion-resistant design, it delivers reliable performance where standard electronic locks simply can’t cope. The intuitive keypad, flexible programming modes and smooth operation give users fast, secure access, while long-life batteries keep maintenance to a minimum. Its universal fit makes retrofitting effortless across a wide range of lockers. If you need a tough, modern, wet-area electronic lock that delivers durability and convenience in equal measure, the 3781 is a top-tier choice.
- Standard Finish: Black, Silver or White
- User Modes: Public Mode, Private Mode or Remote Allocation System (RAS) Mode (Available on Request)
- User Codes: 8-Digit Master Code, 6-Digit Sub-Master Code, 4-Digit User Code
- Fixing Options: Vertical, Left or Right Hand
- Spindle Length: 16mm or 20mm
- Steel Override Key
- LED Indicator Lights
- Audible Keypad
- Battery Condition Indicator
- Auto Unlock Mode
- 2x AA Batteries (Included)
- Up to 50,000 Cycles per Pair of Batteries
- Door Open Alarm
- Alternative Colours
- Pre-Programmed Modes and Codes
- Customised Logo
| Product Code | 3781 |
| Series | E0355 |
| Body Height | 140mm |
| Body Width | 41mm |
| Body Depth | 32.5mm |
| Cam Bar | 50mm with 5mm Crank |
Change Master Code
Change the User Code using the Master Code
Change the User Code using the User Code
Check Battery Condition
Close Lock in 'Private' Mode
Close Lock in 'Public' Mode
Open Lock using the Master Code
Open Lock using the User Code
Set Lock to 'Private' Mode
Set Lock to 'Public' Mode
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Once again I have received a fantastic service from Lockertek. I was in need of a new safe and very quickly! I was given great advice by the lady in the office Nicola, who was very knowledgeable and polite and the delivery was very fast. Most certainly recommend this company and with definitely be using them again.













