The Potterton POWERMAX Programmer Clock & Unit P458 is a high-quality timer designed specifically for use with boilers in heating systems. Made by the reputable brand Potterton in the United Kingdom, this energy-efficient timer has an A+++ rating. It is a reliable and efficient component for controlling the heating system in a home, ensuring optimal performance and energy usage. The Potterton POWERMAX Programmer Clock & Unit P458 is a crucial part of maintaining a comfortable and efficient heating system.

No returns accepted unless totally unopened/unfitted and and security tags intact.
Items are new old stock from a retired heating engineer.
I cannot and will not offer diagnostic help or fitting advice.
Items come in manufacturers packaging but as it’s been sitting for some time cardboard may be discoloured/ show some signs of age.
Lots of central heating items will be add over next few weeks please check out my other items.