Supco Plenum Thermostat: Open on Rise, SPST, 110°F Closing, 130°F Opening, Auto Reset
The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset operation. It opens at 130°F and closes at 110°F, rated for 120V AC/240V AC (MPN SHL523).
SKU 3G-OTH-67505
Also listed as: SHL 523 · SHL-523
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
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Product Description
The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset operation. It opens at 130°F and closes at 110°F, rated for 120V AC/240V AC (MPN SHL523).
Frequently Asked Questions
What is the Supco SHL523 plenum thermostat used for?
The Supco SHL523 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on rise at 130°F and closes at 110°F, preventing overheating by interrupting power to the system. It is commonly applied in furnaces, air handlers, and rooftop units.
What are the specifications of the Supco SHL523 plenum thermostat?
The Supco SHL523 is a SPST, open-on-rise plenum thermostat with a 110°F closing temperature and 130°F opening temperature. It features auto reset and is rated for 120 VAC and 240 VAC. The manufacturer part number is SHL523, and it is a plenum limit control from SUPCO.
Where to buy the Supco SHL523 plenum thermostat worldwide?
You can source the Supco SHL523 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 SHL523 plenum thermostat?
Install the Supco SHL523 by mounting it in the supply plenum of the HVAC system, ensuring proper airflow contact. Wire the SPST contacts in series with the control circuit, typically the limit circuit. 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.
