Motor
Valves & Valve Accessories
Electrical Parts
Pressure Controls & Switches
Circuit Breakers
Thermostats
V-Belts & Pulleys
Piston & Piston Body
Control Boards
All products
New
This item is a Q-Line THQB Series Single Pole Bolt-On Circuit Breaker (120/240V, 20A) manufactured by ABB.
Specifications
- Product: QO Miniature Circuit Breaker, Plug in
- Range: QO
- Current Rating: 30 A
- Certifications: UL listed, CSA
- Voltage Rating: 120/240 V AC, 240 V AC, 120 V AC, 48 V DC
- Mounting Type: Plug-in
- Number of Poles: 3
- Circuit Breaker Type: Standard
- Ratings: HACR rated
- Electrical Connection: Pressure plate
- Wire Size: AWG 14...AWG 8 copper or aluminium
Features:
- Tamper proof construction
- Direct mounting on tubing
- UL & CSA recognize
Maintenance & Troubleshooting:
- Pressure switches are commonly replaced when a furnace or HVAC system will not complete its startup sequence due to pressure/airflow proving issues.
- Customer feedback commonly associates replacement with resolving a "pressure switch" fault condition and restoring normal operation.
- The provided sources do not include diagnostic procedures; follow the equipment documentation for troubleshooting steps and verification before replacement.
User Reviews & Q&A Summary:
- Review themes indicate the part is commonly described as an exact fit and used as a direct replacement to get a furnace running again.
- Several reviews mention the unit returned to normal operation after installation, including clearing a fault condition related to the pressure switch.
- Additional feedback highlights ease of ordering and timely delivery, and notes that this part fit where other attempted parts did not.
Certifications & Compliance:
- Rheem includes a California Proposition 65 warning for this pressure switch kit on its parts listing
- No other separate certifications or listings are explicitly stated for this part in the provided sources
User Reviews & Q&A Summary:
- Common review themes: direct-fit replacement that fixes "no heat" situations and gets the furnace running again, often described as an easy swap once accessed
- Several reviewers note this is an updated version of the original design and may mount differently (users mention included hardware such as a longer screw/spacer to accommodate the revised mounting)
- Q&A themes emphasize that pressure switch ratings/markings are not interchangeable by appearance alone; customers are advised to confirm the correct part by furnace model/serial rather than substituting based on pressure markings
Product Highlights
120-240V, 120v, 240v   
20 AmpsSpecs
| Voltage: | 120-240V 120v 240v |
|---|---|
| Amperage: | 20 |
| Poles: | 1 |
| Product Type: | Circuit Breaker |
Reviews
Clear filtersThere are no reviews yet.