Supco Plenum Thermostat: Open on Rise, SPST, 210°F Closing, 250°F Opening, Auto Reset
The SUPCO Plenum Thermostat: Open on Rise (MPN SHL518) is a SPST, auto-reset plenum limit control with a 210°F closing temperature and a 250°F opening temperature, rated for 120V AC/240V AC. 3G Electric interprets…
SKU 3G-OTH-67472
Also listed as: SHL 518 · SHL-518
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 (MPN SHL518) is a SPST, auto-reset plenum limit control with a 210°F closing temperature and a 250°F opening temperature, rated for 120V AC/240V AC. 3G Electric interprets your demand for this specific control and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in combustion and controls to ensure you get the right answer.
Frequently Asked Questions
What is a Supco SHL518 plenum thermostat used for?
The Supco SHL518 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on rise at 250°F and closes at 210°F, preventing overheating by interrupting power to the burner or fan. It is commonly applied in furnaces, rooftop units, and duct heaters.
What are the specifications of the Supco SHL518 plenum thermostat?
The Supco SHL518 is a SPST, auto-reset plenum thermostat with an opening temperature of 250°F and a closing temperature of 210°F. It is rated for 120V AC/240V AC. The manufacturer part number is SHL518. It is designed for over-temperature protection in HVAC plenums.
Where to buy a Supco SHL518 plenum thermostat worldwide?
3G Electric supplies the Supco SHL518 plenum thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SPST, auto-reset limit control rated for 120V AC/240V AC.
How to install a Supco SHL518 plenum thermostat?
Install the Supco SHL518 in the supply plenum of the HVAC system, typically near the heat exchanger. Mount it securely with the sensing element exposed to airflow. Wire the SPST contacts in series with the burner or fan control circuit. Ensure the opening temperature of 250°F and closing at 210°F 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.