OWON PCT533-W-TY Tuya Wi-Fi Thermostat with Remote Sensors and Humidity Control

Name: OWON PCT533-W-TY Tuya Wi-Fi Thermostat with Remote Sensors and Humidity Control
Brand: OWON
SKU: PCT533-W-TY

Wi-FiTuya

Short answer: The OWON PCT533-W-TY is a Tuya Wi-Fi thermostat with a 4.3-inch full-color LCD touchscreen, remote zone sensors and humidity control. It works with most 24 V heating and cooling systems and can control a 1-wire or 2-wire humidifier or dehumidifier.

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Key facts

Type	Tuya Wi-Fi thermostat, 24 VAC, 4.3-inch LCD touchscreen
Connectivity	Wi-Fi 802.11 b/g/n at 2.4 GHz, with BLE for Wi-Fi pairing; a 915 MHz radio is listed on the datasheet
Platform / app	Tuya Wi-Fi thermostat; remote control from a mobile phone
HVAC compatibility	Most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps with forced air or radiant delivery; conventional 2-stage heating and 2-stage cooling; heat pump with 2-stage heating, 2-stage cooling, 2-stage auxiliary or alternative heating and emergency heat; dual fuel / hybrid heat; 1-wire or 2-wire humidifier / dehumidifier
Sensing	Occupancy, temperature and humidity sensing; remote zone sensors with temperature and humidity
Power supply	24 VAC, 50/60 Hz; optional C-wire adapter
Mounting	Wall mounting with trim plate; thermostat 143 (L) × 82 (W) × 21 (H) mm

Features

Works with most 24 V heating and cooling systems
4.3-inch full-color LCD touchscreen with a curved 2.5D edge
7-day customizable fan / temperature programming schedule
Permanent hold, temporary hold or follow schedule
Fan circulate mode; preheat or precool to reach the scheduled temperature
Daily, weekly and monthly energy usage
Lock feature and periodic maintenance reminders
Adjustable temperature swing to help with short cycling or save energy
1-wire or 2-wire humidifier / dehumidifier control (HUM, DEHUM)
Remote zone sensors to balance hot and cold spots

Specifications

HVAC systems	Most 24 V heating and cooling systems: furnaces, air conditioners, boilers and heat pumps (forced air or radiant) Conventional: 2-stage heating and 2-stage cooling Heat pump: 2-stage heating, 2-stage cooling, 2-stage auxiliary or alternative heating, emergency heat Dual fuel switching / hybrid heat 1-wire or 2-wire HUM or DEHUM
Wiring terminals	Rc, Rh, C W1, W2, Y1, Y2, G O/B (heat pump changeover valve) CWA (C-wire adapter terminal) ACC1, ACC2 (humidifier / dehumidifier accessories)
Wi-Fi	802.11 b/g/n at 2.4 GHz
BLE	For Wi-Fi pairing
Radio	915 MHz
Display	4.3-inch full-color LCD touchscreen, 480 × 800 pixels
Sensors	Occupancy, temperature, humidity
Power	24 VAC, 50/60 Hz
Temperature range	Desired temperature: 40 to 90 °F (4.5 to 32 °C) Sensitivity: ±1 °F (±0.5 °C) Operating: 14 to 122 °F (-10 to 50 °C)
Humidity range	Sensitivity: ±5% Operating: 5% to 95% RH (non-condensing)
Dimensions	Thermostat: 143 (L) × 82 (W) × 21 (H) mm Trim plate: 170 (L) × 110 (W) × 6 (H) mm
TF card slot	For firmware updates and log collection; FAT32 format
Mounting	Wall mounting
Accessories	Trim plate; C-wire adapter (optional)
Remote zone sensor	Battery: 2 × AAA Radio: 915 MHz; 2-color LED Sensors: temperature, humidity Tabletop stand or wall mounting

Applications

Residential and light commercial 24 VAC heating and cooling control
Homes that need humidifier or dehumidifier control from the thermostat
Room-by-room comfort with remote sensors

PCT533-W-TY FAQ

What is the PCT533-W-TY?

The OWON PCT533-W-TY is a Tuya Wi-Fi thermostat with a 4.3-inch full-color LCD touchscreen, remote zone sensors and humidity control. It works with most 24 V heating and cooling systems and can control a 1-wire or 2-wire humidifier or dehumidifier.

How does the PCT533-W-TY connect?

Connectivity: Wi-Fi 802.11 b/g/n at 2.4 GHz, with BLE for Wi-Fi pairing; a 915 MHz radio is listed on the datasheet.

Which HVAC systems does the PCT533-W-TY work with?

HVAC compatibility: Most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps with forced air or radiant delivery; conventional 2-stage heating and 2-stage cooling; heat pump with 2-stage heating, 2-stage cooling, 2-stage auxiliary or alternative heating and emergency heat; dual fuel / hybrid heat; 1-wire or 2-wire humidifier / dehumidifier.

Which app or platform works with the PCT533-W-TY?

Platform / app: Tuya Wi-Fi thermostat; remote control from a mobile phone.

How is the PCT533-W-TY powered?

Power supply: 24 VAC, 50/60 Hz; optional C-wire adapter.

How is the PCT533-W-TY installed?

Mounting: Wall mounting with trim plate; thermostat 143 (L) × 82 (W) × 21 (H) mm.

How can I get a quotation, samples or protocol documents for the PCT533-W-TY?

Email sales@owon.com or message OWON on WhatsApp (+86 13159213403) with your application, country and quantity. OWON sales can send the datasheet, quotation and, where applicable, protocol documents.

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Guides

Smart Thermostat Compatibility Checklist for Europe and North AmericaCheck smart thermostat compatibility before you buy: 24 V AC wiring and C-wire in North America, boiler and heat pump interfaces in Europe...

Solutions using this product

Wi-Fi Thermostats for North American 24 VAC HVAC Systems

Protocols: Wi-Fi, Tuya

Last updated: 6 November 2026. Source: OWON datasheet PCT533-W-TY (251229).

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