Posts tagged 'RH9143'

In this video Matt Duncan introduces the full range of Prestige Parts thermostats for Rolls-Royce & Bentley models - from the early cars all the way through to the Arnage series. 

They all work on the same principle that there is a container of wax sitting in the cooling system and the wax, when it gets to the right temperature, will expand so much that it forces out a pin inside which in turn opens a valve.