Optimum ECOSAV Immersion Heater / Economy 7 Timer

The Optimum ECOSAVE Immersion Heater / Economy 7 Timer is a reliable mechanical 24-hour multi-tariff timeswitch designed for controlling 3KW immersion heater elements during off-peak electricity periods. Ideal for Economy 7 applications, it allows efficient water heating scheduling while offering a convenient boost function for peak tariff periods. Suitable for single, dual, or twin immersion heater systems, the unit combines dependable performance with simple operation.

Key Features

• Designed for Economy 7 and off-peak water heating control
• Suitable for single, dual, or twin immersion heater applications
• Adjustable boost function: 15, 30, 60, or 120 minutes
• 24-hour mechanical quartz time control
• Programmable in 15-minute intervals
• Manual ON/OFF switch for instant control
• Separate wiring base for easier installation
• Indicator lights for peak and boost outputs
• 72-hour running reserve maintains settings during power interruptions
• Durable 16A switching capacity

Specifications

• Product Code: ECOSAVE
• Brand: Optimum
• Voltage: 230V, 50Hz
• Contact Rating: 16A
• Timer Type: 24 Hour Quartz Mechanical Timer
• Programming Intervals: Every 15 Minutes
• Boost Duration: 15–120 Minutes Adjustable
• Running Reserve: 72 Hours
• Operating Temperature: 10°C to 40°C
• Application: Water Heater / Immersion Heater Control
• Installation Environment: Dry Rooms Only
• Compliance:
• EN 60730-1:2011 Automatic Electrical Controls for Household Use
• LVD, EMC & RoHS Directives

Why You’ll Love It

The OP-ECOSAVE Timer helps reduce electricity costs by automatically controlling immersion heaters during low-tariff periods while still offering flexible boost heating when needed. Its simple mechanical operation, reliable quartz timing, and backup reserve make it ideal for domestic hot water systems. Designed for straightforward installation and everyday convenience, it is a dependable solution for efficient water heating management.