Honeywell R4 Receiver Box Wired R4H810A1004 New in box Free UK postage VAT invoice available Any questions please ask “Honeywell R4 Receiver Box Wired R4H810A1004 The Honeywell Home R4H810A1004 Wired Receiver Box is designed for use with T4 Series of thermostats.” Features & Benefits Single thermostat binding for heating Terminals labels and Earth park for ease of wiring One push override buttons to make checking the system easier
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