Fernox TF1 Sigma Filter – 22mm with Valves Electric Floor Heating The integrated sensor and controller

The integrated sensor and controller continuously adjust the valve to maintain the setpoint

Rated heat pump input 320W

Direct Professional2 Retrofit

This reduces current peaks

Fernox TF1 Sigma Filter – 22mm with Valves Electric Floor Heating The integrated sensor and controllerFernox TF1 Sigma Filter 22mm with Valves The Fernox TF1 Sigma Filter 22mm (with valves) is a high performance, precision engineered in line system filter designed to protect central heating systems from magnetic and non magnetic debris. Its robust, sealed, lidless construction and compact design make it ideal for installation in restricted spaces, fitting both horizontal and vertical pipework. The filter is easy to clean via the integrated drain valve