Blackfriar Quick Drying Radiator Paint will take a temperature up to 150°C but as we don’t know what actual surface temperature a night storage type heater will get up to we can’t say for sure if the paint will be OK on any particular storage heater, it could depend on the model, type etc.

You will need to check with Dimplex to find out what the surface temperature of their particular heater will get to during use.

(As they are the manufacturer they must know what temperature the surface of the heater gets up to during use).

If it is below 150°C then the paint can be used.