{"product_id":"honeywell-home-dt4r-white-wireless-room-thermostat-spare-dts42wrfst20-evohome-hcc100-compatible-rf-thermostat","title":"Honeywell Home DT4R White Wireless Room Thermostat Spare DTS42WRFST20 - Evohome \u0026 HCC100 Compatible RF Thermostat","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1e293b; line-height: 1.7;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell Home DT4R White Wireless Room Thermostat Spare (DTS42WRFST20)\u003c\/strong\u003e is a replacement wireless thermostat head designed for compatible Honeywell Home heating control systems. Featuring a slim, modern white finish, a clear LED segment display and easy-to-use touch controls, it provides convenient temperature adjustment for existing wireless heating installations.\u003c\/p\u003e\n\u003cp\u003eThis model is supplied as a \u003cstrong\u003ethermostat head only, with no receiver box included\u003c\/strong\u003e. It is intended as a replacement for an existing DT4R thermostat or as an additional thermostat for compatible multi-zone systems. It supports compatible evohome and HCC100 systems, along with suitable 24–230V on\/off heating and cooling applications.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0;\"\u003e\n\u003cspan style=\"background: #f1f5f9; padding: 7px 12px; border-radius: 20px; font-size: 13px;\"\u003eHoneywell Home\u003c\/span\u003e \u003cspan style=\"background: #f1f5f9; padding: 7px 12px; border-radius: 20px; font-size: 13px;\"\u003eDT4R Range\u003c\/span\u003e \u003cspan style=\"background: #f1f5f9; padding: 7px 12px; border-radius: 20px; font-size: 13px;\"\u003eWireless RF\u003c\/span\u003e \u003cspan style=\"background: #f1f5f9; padding: 7px 12px; border-radius: 20px; font-size: 13px;\"\u003eWhite Finish\u003c\/span\u003e \u003cspan style=\"background: #f1f5f9; padding: 7px 12px; border-radius: 20px; font-size: 13px;\"\u003eSpare Thermostat Only\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff7ed; border-left: 4px solid #d97706; padding: 14px 16px; margin: 20px 0;\"\u003e\n\u003cstrong style=\"color: #9a3412;\"\u003eImportant – Thermostat Only\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eThis product does not include a receiver box. Please ensure you have a compatible Honeywell Home receiver or control system installed before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #1e3a5f;\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003ch4 style=\"color: #334155;\"\u003e1. Replacement DT4R Wireless Thermostat\u003c\/h4\u003e\n\u003cp\u003eDesigned as a spare or replacement thermostat head for compatible Honeywell Home wireless heating control systems, helping restore or expand an existing installation.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003e2. Compatible with evohome and HCC100\u003c\/h4\u003e\n\u003cp\u003eWorks with compatible Honeywell Home evohome and HCC100 Underfloor Multi-Zone Controller receivers, supporting suitable multi-zone heating arrangements.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003e3. Clear LED Segment Display\u003c\/h4\u003e\n\u003cp\u003eThe large LED segment display provides an easy-to-read temperature interface, while the auto-off display and wake-up button help conserve battery power between uses.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003e4. Convenient Touch Controls and Eco Mode\u003c\/h4\u003e\n\u003cp\u003eBacklit touch controls make temperature adjustments straightforward, while the built-in timed Eco mode applies a temperature reduction to help manage heating use.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003e5. Wireless RF Communication\u003c\/h4\u003e\n\u003cp\u003eUses Honeywell Home's 868.0–868.6 MHz RF frequency band to communicate with compatible receivers, with an approximate residential wireless range of 30 metres.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003e6. Simple Battery-Powered Operation\u003c\/h4\u003e\n\u003cp\u003ePowered by 2 x AA batteries, this wireless thermostat does not require a wired power connection at the thermostat location. Batteries are required for operation.\u003c\/p\u003e\n\u003ch3 style=\"color: #1e3a5f;\"\u003eCompatibility and Applications\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell Home DT4R White Spare Thermostat is intended for use with compatible Honeywell Home wireless control systems and suitable on\/off appliances.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHoneywell Home evohome systems with compatible receivers.\u003c\/li\u003e\n\u003cli\u003eHoneywell Home HCC100 Underfloor Multi-Zone Controller.\u003c\/li\u003e\n\u003cli\u003eCompatible legacy Honeywell Home RF systems.\u003c\/li\u003e\n\u003cli\u003eSuitable 24–230V on\/off gas boilers and combi boilers.\u003c\/li\u003e\n\u003cli\u003eCompatible heat pumps with an appropriate on\/off control input.\u003c\/li\u003e\n\u003cli\u003eSuitable zoning, underfloor heating, cooling and zone valve applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e This thermostat is not suitable for directly controlling 240V electric heating circuits. Check the existing receiver, control system and appliance requirements before purchasing.\u003c\/p\u003e\n\u003ch3 style=\"color: #1e3a5f;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eHoneywell Home by Resideo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eProduct Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eDT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eDT4R White Spare Thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eDTS42WRFST20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eEAN \/ GTIN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e5059085002671\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eSpare wireless thermostat head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e2 x AA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eSet Point Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e5°C to 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eDisplay Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0°C to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e10k NTC thermistor at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eRF Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e868.0–868.6 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eWireless Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eApproximately 30 metres (residential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eErP Contribution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eClass V (+3%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e101 x 101 x 54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eReceiver Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eNo – thermostat head only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #1e3a5f;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4 style=\"color: #334155;\"\u003eDoes this Honeywell DT4R thermostat come with a receiver box?\u003c\/h4\u003e\n\u003cp\u003eNo. The DTS42WRFST20 is a spare thermostat head only. A compatible Honeywell Home receiver or control system must already be installed.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003eWhich systems is the DT4R White compatible with?\u003c\/h4\u003e\n\u003cp\u003eIt is specified for compatible Honeywell Home evohome and HCC100 Underfloor Multi-Zone Controller receivers, as well as compatible legacy RF systems. Check the exact receiver model before ordering.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003eCan this thermostat control electric heating?\u003c\/h4\u003e\n\u003cp\u003eNo. It is not suitable for direct control of 240V electric heating circuits. It is intended for compatible 24–230V on\/off control applications.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003eHow is the thermostat powered?\u003c\/h4\u003e\n\u003cp\u003eThe thermostat operates using 2 x AA batteries. No mains power connection is specified for the thermostat head.\u003c\/p\u003e\n\u003ch4 style=\"color: #334155;\"\u003eWhat is the wireless range?\u003c\/h4\u003e\n\u003cp\u003eThe stated residential RF range is approximately 30 metres. Actual range can vary depending on building construction and signal conditions.\u003c\/p\u003e\n\u003cdiv style=\"background: #f1f5f9; border-radius: 8px; padding: 18px; margin-top: 24px;\"\u003e\n\u003ch3 style=\"color: #1e3a5f; margin-top: 0;\"\u003eOrder Honeywell Home DT4R Spare Thermostat from GetPlumb\u003c\/h3\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eHoneywell Home DT4R White Wireless Room Thermostat Spare DTS42WRFST20\u003c\/strong\u003e for a compatible existing wireless heating control system. Check receiver compatibility and remember that this listing is for the thermostat head only.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong style=\"color: #d97706;\"\u003eOrder Now from GetPlumb\u003c\/strong\u003e for your heating control requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53898823729488,"sku":"DTS42WRFST20","price":66.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/5268\/4624\/files\/honeywell-home-dt4r-white-wireless-room-thermostat-spare-dts42wrfst20-evohome-hcc100-compatible-rf-thermostat-9484813.jpg?v=1793528352","url":"https:\/\/getplumb.co.uk\/fr\/products\/honeywell-home-dt4r-white-wireless-room-thermostat-spare-dts42wrfst20-evohome-hcc100-compatible-rf-thermostat","provider":"Getplumb","version":"1.0","type":"link"}