ST100ZB – LINE VOLT THERMOSTAT
SKU · ST100ZB
$85.39
Salus ST100ZB line voltage thermostat with Zigbee wireless. For baseboard heaters and other line voltage heating systems. Smart control from your phone.
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UNIVERSAL5220 – THERMOSTAT (3H/2C, PROG)
SKU · 5220$92.73Braeburn 5220 programmable thermostat. 3 heat / 2 cool. Backlit touchscreen. 7-day scheduling with energy monitoring. For multi-stage and heat pump systems.
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UNIVERSAL2230 – THERMOSTAT (2H/1C, PROG)
SKU · 2230$60.07Braeburn 2230 programmable thermostat. 2 heat / 1 cool. Touchscreen display. 7-day scheduling with 4 time periods per day. For heat pumps or 2-stage heating.
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UNIVERSAL5020 – THERMOSTAT (2H/1C, PROG)
SKU · 5020$74.88Braeburn 5020 non-programmable thermostat. 2 heat / 1 cool. Large backlit display. Simple operation for heat pump or 2-stage systems. No scheduling needed.
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UNIVERSAL43004A – MECHANICAL THERMOSTAT (HORIZONTAL)
SKU · 43004A$38.99Supco 43004A mechanical thermostat. Horizontal mount. For 4 or 5-wire 24V systems and single-stage heat pumps. Adjustable heat anticipator. No batteries needed.
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UNIVERSAL1030 – THERMOSTAT (1H/1C, NON-PROG)
SKU · 1030$44.74Braeburn 1030 non-programmable thermostat. 1 heat / 1 cool. Simple digital display. Runs on 2 AA batteries. For basic single-stage AC and furnace systems.
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UNIVERSAL50002883-001 – THERMOSTAT WALL COVER PLATE
SKU · 50002883-001$24.25Honeywell thermostat wall cover plate. Covers paint marks and holes left behind from a previous thermostat. Fits FocusPRO and PRO series thermostats.
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UNIVERSALBTG-UN – LOCKING THERMOSTAT COVER (CLEAR, PLASTIC)
SKU · BTG-UN$30.83Clear plastic universal thermostat guard with lock. See-through cover fits thermostats up to 7.3″ x 5.25″ x 1.8″. Vented for proper airflow.
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UNIVERSAL7205 – THERMOSTAT (WIFI, 3H/2C)
SKU · 7205$102.95Braeburn 7205 WiFi thermostat. 3 heat / 2 cool. Color touchscreen. 7-day programming. Control from your phone. For multi-stage and heat pump systems.
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UNIVERSALBTG-54VL – LOCKING THERMOSTAT COVER (SOLID, METAL)
SKU · BTG-54VL$26.61Metal thermostat guard with keyed lock and louvered cover. Prevents tampering in offices, rentals, and commercial spaces. Mounts over existing thermostat.
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UNIVERSAL2030 – THERMOSTAT (1H/1C, PROG)
SKU · 2030$49.16Braeburn 2030 programmable thermostat. 1 heat / 1 cool. Backlit display. 5-2 day scheduling. For basic single-stage AC and furnace systems.
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UNIVERSAL7500 – THERMOSTAT (WIRELESS)
SKU · 7500$160.36Braeburn 7500 wireless thermostat with touchscreen. Communicates wirelessly to the furnace — no thermostat wire needed. 7-day programmable with humidity control.
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UNIVERSAL1230 – THERMOSTAT (2H/1C, NON-PROG)
SKU · 1230$54.18Braeburn 1230 non-programmable thermostat. 2 heat / 1 cool. Backlit display. For heat pump or dual-stage heating systems with single-stage cooling.
Signs You May Need a New Thermostat
The thermostat is the main control point for your HVAC system. When it malfunctions, it can cause no heat, no cooling, short cycling, or uneven temperatures.
Temperature Reading Doesn't Match the Room▼
- The thermostat display shows 72°F but the room feels noticeably warmer or cooler.
- The temperature sensor inside the thermostat may be faulty.
- A thermostat in direct sunlight or near a vent will read incorrectly.
HVAC System Won't Turn On or Off▼
- The system doesn't respond when you adjust the temperature.
- The system runs continuously and won't cycle off.
- Check batteries first — dead batteries are the most common thermostat "failure."
Replace thermostat batteries once a year, even if the display still works. Weak batteries can cause erratic behavior.
Short Cycling — System Turns On and Off Rapidly▼
- Heating or cooling cycles last only a few minutes before shutting off.
- The thermostat may be cycling the system too frequently.
- This can also be caused by a thermostat on a poorly insulated exterior wall.
Blank Display or Unresponsive Buttons▼
- The screen is completely blank or partially lit.
- Buttons don't respond when pressed.
- For wired thermostats, this may indicate a blown fuse at the furnace rather than the thermostat itself.
Not sure which part you need? Bring your old part to our Dallas store — our team will test it for free and help you find the right replacement.
📞 (214) 340-9421Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
📞 (214) 340-9421Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm