NEW 2024 MODEL - EPH CP4D OpenTherm Programmable RF Thermostat & ReceiverResponding to user preferences for an intuitive handwheel control, CP4D allows quick and smooth temperature adjustment. With a large clear display, this modern thermostat retains the trusted features of the original CP4 including OpenTherm modulation, wireless communication and wide compatibility.Boiler Plus CompliantSame day dispatch if ordered before 3pm
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