Wireless control for high-efficiency boiler

Controlled by a wireless programmable room thermostat — Saunier Duval’s Isofast Condense F35e boiler.
Saunier Duval’s Isofast Condense F35e domestic boiler has a SEDBUK A rating and several innovative features. Among them is a programmable wireless room thermostat. Features of this device include operating times, temperature and heat-mode selector and more control of temperature settings. This thermostat also modulates the boiler output to minimise flow temperature so as to maximise condensing performance. Other features include a 3-way valve, spark generator, DHW flow sensor, pump with anti-seize spine, air-to-gas ratio controller, stainless-steel heat exchanger, automatic frost protection, on-board diagnostics including text display and a built-in filling loop. There is a 2-year warranty.
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