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Where can I get a replacement battery for a Randall 702?

Where can I get a replacement battery for a Randall 702?
The battery in the 702 programmer is only used to hold the programmed settings during a power-cut. If there is a power-cut you will have to re-programme the unit. The Varta 600DK battery is no longer available. Varta stopped manufacturing it 10 years ago, and we cannot source a replacement manufacturer.
The following Danfoss controls are standard battery powered models. They all take 2 x high quality alkaline AA size batteries - TP5000, TP7000, HC6000, WP75-RF and RET-B.
 
For further assistance please contact out Technical Support Helpline on 0845 1217 505.

A very safe and reliable choice

A very safe and reliable choice
Our products are subjected to rigorous testing during every step of the manufacturing process to ensure that only flawless products reach our customers. What is more, our product range is compatible to enable our customers to put together well balanced heating systems. 
 
Our products offer high performance levels and are designed to have long lifetimes.
 
Together this makes Danfoss products the prefered choice for consulting engineers and installers worldwide.