Supco Plenum Thermostat: Open on Rise, SPST, 210°F Closing, 240°F Opening, Auto Reset
The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset functionality. It features a 210°F closing temperature and a 240°F opening temperature, rated for 120V AC/240V AC (MPN SHL509).
SKU 3G-OTH-67451
Also listed as: SHL 509 · SHL-509
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset functionality. It features a 210°F closing temperature and a 240°F opening temperature, rated for 120V AC/240V AC (MPN SHL509).
Frequently Asked Questions
What is the Supco SHL509 plenum thermostat used for?
The Supco SHL509 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on temperature rise at 240°F and closes at 210°F, preventing overheating. Common in furnaces, air handlers, and rooftop units to protect equipment and ensure safe operation.
What are the specifications of the Supco SHL509 plenum thermostat?
The Supco SHL509 is a SPST, auto-reset plenum thermostat with an opening temperature of 240°F and closing at 210°F. It is rated for 120V AC and 240V AC. The manufacturer part number is SHL509, and it is a Supco brand product designed for HVAC limit control applications.
Where to buy the Supco SHL509 plenum thermostat worldwide?
You can source the Supco SHL509 plenum thermostat through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Supco components for HVAC applications.
How to install the Supco SHL509 plenum thermostat?
Install the Supco SHL509 by mounting it in the supply plenum of the HVAC system, ensuring proper airflow across the sensing element. Wire the SPST contacts in series with the control circuit, rated for 120V AC or 240V AC. Follow standard HVAC safety practices: disconnect power before installation and verify temperature settings match system requirements.
Used in
Common applications for SupcoSupco Products
3G Electric supplies Supco plenum limit controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
