ESI
ESI Wireless Programmable Room Thermostat ESRTP4RFW
ESI ESRTP4RFW wireless programmable room thermostat for domestic heating systems, upgradeable to WiFi control.
£74.40
£62.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The ESI ESRTP4RFW is a wireless programmable room thermostat from ESI Controls. It controls heating demand by switching the boiler according to programmed time and temperature settings, without a hard-wired connection at the thermostat position. The unit is WiFi upgradeable.
Signs this part needs replacing
- The heating does not respond when the thermostat calls for heat
- Room temperature readings are inaccurate or drift away from the setpoint
- The display is blank, flickering or unresponsive
- Programmed schedules are lost or fail to run
- The boiler short-cycles or runs continuously regardless of the thermostat setting
Before you order
- Confirm the existing thermostat model and that ESRTP4RFW is the correct unit for the system
- Check whether the installation is wireless and whether a compatible receiver is already fitted
- Confirm whether WiFi upgrade capability is required for the installation
- Check the part number on the existing unit before ordering
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS ESI Controls | — | — | — | |
| SPECIAL OFFERS Esi Controls | — | — | — |
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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