KRF-HEAT-KIT is a 24-volt RF wireless thermostat platform designed to control electric resistance heaters, including both fan-driven and baseboard models without running new wires through walls, simplifying installation. The kit includes a 7-day programmable thermostat that communicate wirelessly to a 20A 120/240V relay that is wired to the heating unit.
For added flexibility, the system supports optional RF sensors for customized comfort control. It can detect when people are in the room or when a window or door is left open, adjusting the temperature accordingly.
Plus, multiple rooms can be paired to an optional wireless master switch, allowing the entire building to be set back with the push of a button.
- Kit Includes KRFTP-B RF 24V RF Thermostat & KRFLR-120/240 20A RF Heating Relay
- Wireless Two-way RF Communication - 915 MHz
- 7-day programmable schedule
- Range:44°F to 90°F (7°C to 32°C) Accuracy: ± 1°F
- KRFTP-B RF: Power Source: 18 to 30 VAC, 50/60 Hz hardwired or Battery powered
- KRFLR-120/240: Rating: 120/240V/20A Resistive Load
- Optimal Start/Stop
- Keypad lockout
- UL Certified For USA & Canada
- Maximum Heat Temperature Limits 44°F to 90°F
- Optional RF Accessories Include: KRF-PIR-SENSOR, KRF-WINDOW-SENSOR, & KRF-MASTER-SWTCH
- Meets State Energy Code Requirements: Optional RF sensors limit operation based on room activity or outdoor air conditions.
- 2 Year Limited Warranty

Expand Your Control With Optional RF Sensors

RF Occupancy PIR Sensor
For automatic temperature setback when room is unoccupied. Setback Options: (44°F – 65°F)
RF Window/Door Sensor Operation
For automatic temperature setback when window or door is left open. Setback Options: (44°F – 65°F)
RF Master Setback Switch
Manual switch to setback all systems that are paired to the switch upon exiting the building. Setback Options: (44°F – 65°F)
RF Repeater
Designed to amplify RF data signals in order to extend the range of the wireless transmission.
Available Models
Ordering Information - Complete Kit
MODEL | UPC | DESCRIPTION |
---|---|---|
KRF-HEAT-KIT | 70425 | RF Thermostat Kit For Line Voltage Heat, w/ KRFTP-B Programmable BP Thermostat & KRFLR-120/240 20A Heating Relay |
Ordering Information - Order A'la Carte
MODEL | UPC | DESCRIPTION |
---|---|---|
KRFTP-B | 70134 | Programmable Battery Powered RF Thermostat |
KRFLR-120/240V | 70135 | 20A Heat Relay, 120V or 240V |
Ordering Information - Optional Accessories
MODEL | UPC | DESCRIPTION |
---|---|---|
KRF-PIR-SENSOR | 70152 | PIR Sensor, Battery Powered, For KRFTP Thermostat |
KRF-REPEATER | 70154 | RF Repeater, USB Powered, For KRFTP Thermostat |
KRF-WINDOW-SENSOR | 70155 | Window/Door Sensor, Battery Powered, For KRFTP Thermostat |
KRF-MASTERSWITCH | 70156 | Master Switch, Battery Powered, For KRFTP Thermostat |