ESI (ESRTP4RF) Wireless Programmable Room Thermostat Boiler Plus Compliant.

The ESRTP4RF is a 7 day, 5/2 or 24 hr wireless programmable room thermostat designed to provide automatic time and temperature control of all domestic central heating applications. The ESRTP4RF is easy to install and use, and offers the homeowner a range of convenient, feature-packed options whilst offering supreme levels of heating control, energy efficiency and comfort.

The ESRTP4RF Wireless programmable room thermostat with its large, easy-to-read LCD display, includes many features, making it ideal for situations where a higher flexibility of control is required. This programmable room thermostat is battery powered and provides true 7 day (5/2 day or 24hr) programming options, with the choice between either four or six time and temperature events selectable available each day. The ESRTP4RF comes pre-programmed for ease of use, but the user can create their own individual programme or modify the existing option. With built in summer/winter changeover, this product eliminates the need for time-setting and BST/GMT time changes. Time and date are factory set, making time setting or adjustment unnecessary.

Two way communication ensures a more accurate, stronger and quicker response compared to older styles. the additional features of TPI, optimum stop, delayed start and optimum start provide the homeowner with further opportunities for saving energy, allowing users to take even greater control of their heating. The landlord service safety feature offers protection for tenants and landlords against illegal boiler negligence (in accordance with Gas Safety regulation 36).


  • ErP Product class 4.
  • Boiler Plus Compliant .
  • Landlord facility.
  • Automatic BST/GMT 1 hour time change.
  • Factory set clock and date.
  • Pre-set built in programmable & easy to use overrides.
  • Large, easy to read LCD display with blue back light.
  • 7 day, 5/2 day or 24 hr programming options.
  • Optimum Stop, Delayed & Optimum Start.
  • TPI Technology.
  • Select either 4 or 6 time & temperature events.
  • Includes optional landlord service safety feature.
  • Holiday mode.
  • Two way communication.
  • Easy to use and quick to install.
  • 3 year warranty.

Technical Data.

  • Programmable Room Thermostat – ESRTP4RF
  • Temperature Control Class – ErP Class IV Product (2%)
  • Energy Efficiency Technology – TPI (Chrono-proportional) Control, Delayed Start, Optimum Start, Delayed Stop.
  • Programming – 7 day, 5/2 day & 24 hr
  • Power Supply – 2 x Alkaline Batteries 1.5v (Type AA)
  • Temperature Adjustment Range – 7°C to 34°C.
  • Total Switching Rating Rx – 6(2)A 230V AC Volt Free changeover contacts.
  • Contact type Rx – Wireless.
  • Transmission Distance – Approx. 30mtr in open terrain.
  • Power Reserve – 3 years.
  • Plastics – Thermoplastic, flame retardant.
  • Protection Rating – IP30
  • Dimensions – 127mm x 81mm x 28mm.
  • Number of events per day – 4 or 6.
  • BST/GMT time change – Automatic.
  • Factory Pre-set programme – Yes.
  • Complies with – EN60730-1 EN60730-2.7, EMC Directive 2014/30/EU, LVD Directive 2014/35/EU.

For more information please visit ESI Controls website.