This is the TFC Group STTRFSN Frost Thermostat in White 16A with Temperature Range -5 to 10 Degrees Celsius, Suitable for Combination Boilers.
It is designed to provide automatic frost protection for domestic heating systems. The STTRFSN has a volt free changeover output (SPDT) which will switch up to 16A resistive load. Due to the volt free changeover output contacts, the STTRFSN is compatible with combination boilers.
Let us know and we might match the price for you
Sparks Electrical Wholesalers Ltd, 659-661 Holloway Road, Archway, London, N19 5SE, United Kingdom
Registered in England. Company No. 2238028. VAT Reg No: GB 505 6899 17. Copyright © 2003-2021 SparksDirect