What are the specs for this Thermostat?

The correct replacement for Tempstar model TEB15K25STA — 24V Control with Knob | 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 TEB15K25STA — 24V Control with Knob | 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 TEB15K25STA — 24V Control with Knob | Ships Today

Name: Tempstar PTAC Thermostat for TEB15K25STA — 24V Control with Knob | Ships Today
Brand: Tempstar
SKU: 1058437-GEN
Price: 58.00 USD
Availability: InStock

SKU: 1058437-GEN Brand: Tempstar

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Overview

This is a genuine OEM PTAC thermostat for the Tempstar TEB15K25STA air handler, including the thermostat body (part 1058517) and its matching control knob (part 1058437). The thermostat reads room temperature and signals the 24V control circuit to call for heating or cooling, while the knob provides the user setpoint adjustment. When the thermostat or knob fails the unit may run continuously, stop cycling, or no longer respond to setpoint changes.

Specifications

Spec	Value
OEM Part Numbers	1058517 (TSTAT PTAC), 1058437 (Knob)
Type	PTAC Thermostat
Brand	Tempstar (Heil / ICP)
Control Voltage	24V
Fit	OEM Direct Replacement

Compatibility

Built for the Tempstar / Heil / ICP TEB15K25STA and PTAC units sharing the same thermostat assembly. Verify OEM part numbers 1058517 and 1058437 against your existing parts before ordering.

Installation Guide

Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter.
Access — Remove the unit's front service panel.
Document — Photograph all wire connections before disconnecting.
Remove — Pull the knob, disconnect the thermostat leads, and unclip the old thermostat from its mount.
Install — Mount the new thermostat, reconnect the leads per your photo, and press on the new knob.
Test — Restore power and confirm the unit responds to setpoint changes.

Signs You Need a Replacement

Unit runs constantly or never shuts off
No response when adjusting the knob
Cracked or missing control knob
Erratic temperature control or short cycling

Shipping & Returns

Ships same day 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...

$58.00

Frequently Asked Questions

Does this Thermostat fit my Tempstar TEB15K25STA — 24V Control with Knob | Ships Today?

Yes. This is the factory-specified OEM thermostat for the Tempstar TEB15K25STA — 24V Control with Knob | 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 TEB15K25STA — 24V Control with Knob | 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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