STN721 24V AC Heat Pump Thermostat - 2 Heat/1 Cool Stages, 120x98x28mm Dimensions
The STN 721 is an American-designed 24V AC heat pump thermostat featuring non-programmable functionality with 2-stage heating and 1-stage cooling. Its large LCD display with background lighting clearly shows both set and measured temperatures, along with time. Suitable for wall mounting or desktop placement, this thermostat provides precise temperature control for residential and commercial spaces.
- 2-stage heating / 1-stage cooling capability
- Heat pump compatible
- Non-programmable operation
- Battery or 24V power options
- Large, easy-to-read LCD display
- Optional backlight colors available
- Configurable for electric or gas systems
- Separate B & O terminals
- Independent heating and cooling swing adjustments
- Filter change indicator (selectable on/off)
- Contemporary design aesthetics
| Model Number | STN721 |
| Programmability | Non-Programmable |
| Temperature Range | 32°F-99°F (1°C-40°C) |
| Control Temperature Range | 44°F-90°F (7°C-32°C) |
| Temperature Measurement Accuracy | ±1°C (at 20°C) |
| Power Source | DC 2 x AAA 1.5V Alkaline batteries |
| Switchable Voltage | 24 V AC / DC, 250 V AC; 50 Hz |
| Contact Rating | 8(2)A 230AC Max |
| Dimensions | 120 x 98 x 28 mm |
Inner packaging available in Chinese/English/neutral options with custom designs upon request. Outer packaging uses standard export cartons with customization available. Each unit is packaged individually.
- 7-day sample delivery, 40-day bulk order fulfillment
- Strong production capacity with strict quality control
- 24-hour response to inquiries and technical questions
- Experienced customer service team
- Comprehensive after-sales tracking service
- OEM/ODM services available
- Small quantities and mixed bulk orders accepted
- Multiple payment options: L/C, D/A, D/P, T/T, PayPal, Western Union
- Global shipping via UPS, DHL, TNT, FEDEX, EMS, China Post
Ocean Controls Limited was founded by an industrial engineer with 15 years of experience in designing and manufacturing high-end electronic room thermostats. We provide comprehensive OEM/ODM services including manufacturing, design, engineering, and tooling support to customers worldwide.
Our R&D team brings over 10 years of expertise in thermostat technology, HVAC controllers, and accessories. All engineers are highly skilled in design, development, and testing processes.
Q: Can I place sample order first?
A: Yes. We provide different pricing tiers for small, medium, and large quantities.
Q: What payment methods do you accept?
A: T/T, PayPal, and Western Union are preferred, with other options available upon request.
Q: How do I place an order?
A: Send your purchase order via email or request a Proforma Invoice from our team.
Q: How long is the delivery time?
A: Samples: 3-4 working days. Bulk orders: Typically 25 working days, depending on design complexity.
Q: Do you offer customization and branding?
A: Yes, we support both standard and custom designs with logo application. Our R&D team provides technical support throughout the process.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.