What are the specs for this Thermostat?

The correct replacement for Tempstar model TEB12R50STA – OEM 1058517 | Ships Today is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Tempstar equipment which lists the model number TEB12R50STA – OEM 1058517 | Ships Today.

What symptoms indicate I need a new thermostat?

Common symptoms that indicate you need a new thermostat include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this thermostat compatible with Bryant or Payne systems too?

Many Tempstar parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Tempstar

Tempstar PTAC Thermostat for TEB12R50STA – OEM 1058517 | Ships Today

Name: Tempstar PTAC Thermostat for TEB12R50STA – OEM 1058517 | Ships Today
Brand: Tempstar
SKU: 1058437-GEN
Price: 69.00 USD
Availability: InStock

SKU: 1058437-GEN Brand: Tempstar

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Overview

This is a genuine OEM PTAC thermostat assembly for the Tempstar TEB12R50STA. The kit includes the PTAC thermostat (OEM 1058517) and its matching control knob (OEM 1058437). The thermostat senses indoor air temperature and cycles the compressor, fan, and electric heat to hold the setpoint. A failing PTAC thermostat shows up as short-cycling, no response to the dial, continuous operation, or an inability to switch between heating and cooling.

Specifications

Spec	Value
OEM Part Numbers	1058517, 1058437
Type	PTAC Thermostat
Brand	Tempstar / Heil / ICP
Control Voltage	24V
Includes	Thermostat + Control Knob
Fitment	OEM Direct Replacement

Compatibility

Direct-fit replacement for the Tempstar TEB12R50STA PTAC chassis and other Heil/ICP PTAC models sharing the same control platform. Confirm the OEM part number on your existing thermostat before ordering.

Installation Guide

Safety First – Disconnect power at the PTAC chassis and verify zero voltage with a multimeter.
Access – Remove the front cover and control panel to expose the thermostat assembly.
Document – Photograph all wire terminals and routing before disconnecting.
Remove – Pull the control knob, then unfasten the old thermostat and disconnect its sensing bulb and low-voltage leads.
Install – Mount the new thermostat, route the sensing element to its original clip, reconnect the leads per your photo, and press on the new knob.
Test – Restore power and verify the unit responds to the dial across heat, cool, and fan settings.

Signs You Need a Replacement

Unit short-cycles or runs continuously regardless of setpoint
No response when turning the temperature dial
Cracked, slipping, or missing control knob
Will not switch between heating and cooling modes

Shipping & Returns

Ships same day on orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

Tempstar PTAC Thermostat for TEB...

$69.00

Frequently Asked Questions

Does this Thermostat fit my Tempstar TEB12R50STA – OEM 1058517 | Ships Today?

Yes. This is the factory-specified OEM thermostat for the Tempstar TEB12R50STA – OEM 1058517 | Ships Today. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the thermostat on my Tempstar TEB12R50STA – OEM 1058517 | Ships Today?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new thermostat?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this thermostat compatible with Bryant or Payne too?

Many Tempstar parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Tempstar thermostat?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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