A vertical alternative to the 417 The HIQ 418 is a mains power 230v 50Hz flush mounted control suitable for underfloor systems with option to add a floor sensor for floor and air temperature control.
The 418 Has additional volt free contacts, making it also ideal for use as an air only control in radiator systems where a dry contact is required to control the boiler output.
Uses flush box HIQ 117
Always look for the C-tick mark. No mark = No compliance
Download specification and user instructions here