Danfoss Randall 4033FRU Factory Replacement Programmer Module
Danfoss Randall 4033FRU Factory Replacement Programmer Module is a basic electro-mechanical mini-programmer for heating and domestic hot water systems, noted for its ease of operation.
The control module plugs into a separate wall plate/terminal block, making installation and servicing as simple as possible.
This model features a 24 hour clock with colour coded ON and OFF tappets, which are simply moved to the desired position on the dial to provide 2 On and Off periods per day.
Programme selection is made by means of easy to understand toggle switches.
Easy to use.
Uses existing back/wall plate, no wiring changes needed!
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