ORBIT 83521-03 Pro Thermostat Programmable 7-DAY

( Brand: Orbit ), ( Manufacturer Part Number: 83521-03 ), ( Part Type: Thermostat ), ( Thermostat Programmable Days: 7 Day ), ( Color: Clear ), ( Programmability: Programmable )

Review ORBIT New Sealed Clear Comfort Pro Thermostat 7-day Programmable

The Orbit 83521-03 PRO Series 7-Day Programmable Thermostat is a state-of-the-art, energy-saving device designed to provide optimal comfort and efficiency for your home heating and cooling system. With its sleek, modern design, this thermostat not only enhances the aesthetic appeal of your interior but also offers advanced features to ensure a perfect climate all year round.

This 7-day programmable thermostat allows you to customize your heating and cooling schedules for each day of the week. With up to four time periods per day, you have the flexibility to set the temperature according to your daily routine, saving energy when you're away or during off-peak hours. The intuitive, user-friendly interface makes it easy to program and adjust settings, with large, backlit digits and clear, easy-to-read labels.

One of the standout features of the Orbit 83521-03 PRO is its OpenTherm compatibility. This technology allows the thermostat to communicate directly with your gas or oil furnace, ensuring precise temperature control and optimizing the performance of your heating system. As a result, you can save on energy costs and enjoy a more consistent, comfortable indoor environment.

The thermostat also boasts a SmartSet feature, which automatically adjusts your heating and cooling schedule based on your local weather forecast. This intelligent feature helps maintain your desired temperature while minimizing energy usage, resulting in significant energy savings over time.

Additionally, the Orbit 83521-03 PRO includes various convenience features, such as a vacation hold mode, which maintains your set temperature while you're away, and a holiday mode, which suspends the programming for extended periods. The thermostat also offers a filter reminder, alerting you when it's time to change your HVAC filter for optimal system performance.

In summary, the Orbit 83521-03 PRO Series 7-Day Programmable Thermostat is an exceptional choice for homeowners seeking advanced heating and cooling control, energy savings, and a user-friendly interface. With its 7-day programming, OpenTherm compatibility, and intelligent features, this thermostat is a smart investment for any household.

The Orbit 83521-03 Pro Thermostat is a 7-day programmable heating and cooling thermostat designed to help homeowners save energy and reduce their utility bills. Here are some pros and cons of buying this thermostat:

1. Energy Savings: The Orbit 7-day programmable thermostat allows users to set different temperature schedules for each day of the week. This feature helps in saving energy by automatically adjusting the temperature when no one is home or during the night.

2. User-Friendly Interface: The thermostat has a large, easy-to-read display, and the menu is simple to navigate, making it easy for users to set up and adjust their temperature schedules.

3. Compatibility: The Orbit 83521-03 Pro thermostat is compatible with both 24V gas and oil heating systems and up to 2-stage cooling systems.

4. Smartphone Compatibility: The thermostat can be controlled remotely using the Orbit B-Hybrid app, allowing users to make adjustments to their temperature settings from anywhere.

5. Voice Control: The thermostat is compatible with Amazon Alexa, Google Assistant, and Apple HomeKit, allowing users to control their heating and cooling systems using voice commands.

1. Wiring Complexity: Installing the Orbit 83521-03 Pro thermostat may require some wiring knowledge, as users need to connect the different wires according to the instructions in the user manual.

2. No Humidity Control: The thermostat does not have built-in humidity control, which may be a concern for homeowners in areas with high humidity levels.

3. No Geofencing: The thermostat does not have built-in geofencing, which automatically adjusts the temperature based on the user's location.

The Orbit 83521-03 Pro 7-day programmable thermostat offers several advantages, including energy savings, user-friendly interface, compatibility with different heating and cooling systems, smartphone compatibility, and voice control. However, it may require some wiring knowledge for installation and does not have built-in humidity control or geofencing.

The Orbit 83521-03 Pro thermostat is a great option for homeowners looking for a programmable thermostat that offers energy savings, compatibility with different heating and cooling systems, and smartphone and voice control features. However, homeowners who prioritize humidity control or geofencing may want to consider other thermostat options. Overall, the Orbit 83521-03 Pro thermostat is a reliable and cost-effective solution for managing home heating and cooling systems.

Details:

Brand New Sealed. ORBIT CLEAR COMFORT PRO 7-Day Programmable THERMOSTAT!, PN 83521-03 New Sealed.

part #: 8352103 price

• $34.99

specifications thermoditto:

• brand: Orbit
• mpn: 83521-03
• part type: Thermostat
• thermostat programmable days: 7 Day
• color: Clear
• programmability: Programmable

payments thermoditto:

• credit card: Diners-club
• wallet: Google-pay
• other

seller thermoditto:

• # reviews: 11886
• city: Wellington, Colorado
• rating: 99.2%

shipping thermoditto:

• transit: 3-9 Days
• type: Fixed
• service: Standard
• class: Standard
• cost: $0.00

returns thermoditto:

• policy: No Returns

offer thermoditto:

• best offers: True
• quantity: 1
• started: September 22, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

general thermoditto:

• Heating, Cooling Air > Thermostats > Programmable Thermostats
• condition: New

Orbit 83521-03 Is Similar To:

• Orbit 83521 Clear Comfort Pro Programmable Thermostat Easy To Read Save Energy Money (51.5% similar) Smoke and pet free home. No longer needed...(May 21st, 2024)
• Orbit 57012 New Watermaster 12 Station Sprinkler Timer Outdoor indoor Mount (33.8% similar) New Orbit water master 57012 12 station sprinkler timer outdoor/indoor mount, brand new...(September 9th, 2024)
• Orbit B01d16hafw 83521 Clear Comfort Programmable Thermostat Large Easy-to-read Display Whi (54.1% similar) Specifications: color white, model 83521, style programmable, material plastic, item weight 0.64 pounds, PARTNUMBER83521, manufacturer orbit irrigation products, product dimensions 5.3 x 3.3 1.3 inches...(January 22nd, 2026)