Q3 RF 2-Stage Heating Thermostat for Combi Boilers - 868MHz RF, 5-35°C Range, 50m Transmission

Price Negotiable

Price: negotiation

MOQ: 100pcs

Delivery Time: 30 WORK DAYS

Brand: OEM ODM

Product Description

Q3 RF 2-Stage Heating Thermostat Overview

Professional programmable room thermostat designed for combi boiler systems, featuring reliable 868MHz RF communication and precise temperature control for residential and commercial HVAC applications.

Transmitter Features

Power: 2x AA alkaline batteries (LR6 type)
Temperature measurement range: 5℃ to 35℃ in 0.5℃ increments
Control temperature range: 10℃ to 30℃ in 0.5℃ increments
868MHz frequency for stable wireless communication
ON/OFF switch with battery-low indicator

Receiver Features

AUTO/MANUAL operation mode switch
LED system status indicator
Contact rating: 8(2)A 230VAC maximum

Technical Specifications

Parameter	Specification
Model Number	Q3 RF
Operating Frequency	868.35 MHz
Programmability	Non-Programmable
Temperature Range	5℃-35℃ in 0.1℃ resolution
Control Temperature Range	10℃-30℃ in 0.5℃ increments
Temperature Measurement Accuracy	±0.5°C
Sensitivity	±0.2°C / ±0.3°C
Defrosting Temperature	+7°C
Power Method (Transmitter)	2x1.5 V AA alkaline batteries (LR6 type)
Transmitter Power Consumption	1.5 mW
Transmitter Dimensions	112 x 75 x 45 mm
Temperature Sensor Type	NTC 10 kΩ ±1% at 25°C
Receiver Power Consumption	6W
Receiver Power Supply Voltage	230V AC, 50Hz
Switchable Voltage	24 V AC / DC,…250 V AC; 50 Hz
Switchable Current	6 A (2 A inductive load)
Transmission Distance	Approximately 50 meters in open terrain

Application Areas

HVAC systems for residential and commercial buildings
Building and industrial ventilation systems
Public spaces: airports, train stations, shopping malls, offices, classrooms
Laboratories, warehouses, and facilities requiring CO2, temperature, and humidity monitoring
All other ventilation and climate control systems