OWON PCT5231-W-TY Wi-Fi 24 VAC Thermostat

Name: OWON PCT5231-W-TY Wi-Fi 24 VAC Thermostat
Brand: OWON
SKU: PCT5231-W-TY

Wi-Fi

Short answer: The OWON PCT5231-W-TY is a Wi-Fi thermostat that works with most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps. It supports dual fuel and hybrid heat, up to 10 remote sensors, a 7-day schedule and daily, weekly and monthly energy usage reports.

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Key facts

Type	Wi-Fi thermostat, 24 VAC, LED display with touch-sensitive buttons
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	Remote control from a mobile phone (the datasheet does not name the app platform)
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
Sensing	Occupancy, temperature and humidity sensing; up to 10 remote sensors
Power supply	24 VAC, 50/60 Hz; optional C-wire adaptor
Mounting	Wall mounting with trim plate; 97 (L) × 97 (W) × 21 (H) mm

Features

Works with most 24 V heating and cooling systems
Dual fuel switching or hybrid heat support
Up to 10 remote sensors, with heating and cooling prioritised to specific rooms
7-day customizable fan / temperature / sensor 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
Mounts to standard 83.3 mm-spaced electrical / junction boxes with a trim plate

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
Wiring terminals	Rc, Rh, C W1, W2, Y1, Y2, G O/B (heat pump changeover valve) CWA (C-wire adaptor terminal)
Wi-Fi	802.11 b/g/n at 2.4 GHz
BLE	For Wi-Fi pairing
Radio	915 MHz
Display	LED display
Control interface	Touch-sensitive buttons
Sensors	Occupancy, temperature, humidity
Power	24 VAC, 50/60 Hz
Dimensions	97 (L) × 97 (W) × 21 (H) mm
Mounting	Wall mounting
Accessories	Trim plate; C-wire adaptor (optional)
Remote zone sensor	Battery: 2 × AAA alkaline Radio: 915 MHz; 2-color LED Sensors: occupancy, temperature, humidity Tabletop stand or wall mounting

Applications

Residential and light commercial 24 VAC heating and cooling control
Room-by-room comfort with remote sensors
Dual fuel and hybrid heat systems

PCT5231-W-TY FAQ

What is the PCT5231-W-TY?

The OWON PCT5231-W-TY is a Wi-Fi thermostat that works with most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps. It supports dual fuel and hybrid heat, up to 10 remote sensors, a 7-day schedule and daily, weekly and monthly energy usage reports.

How does the PCT5231-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 PCT5231-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.

Which app or platform works with the PCT5231-W-TY?

Platform / app: Remote control from a mobile phone (the datasheet does not name the app platform).

How is the PCT5231-W-TY powered?

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

How is the PCT5231-W-TY installed?

Mounting: Wall mounting with trim plate; 97 (L) × 97 (W) × 21 (H) mm.

How can I get a quotation, samples or protocol documents for the PCT5231-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

Last updated: 6 November 2026. Source: OWON datasheet PCT5231-W-TY (260209).

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