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Supco Hot Surface Igniter: Mfr Part # SIG101 - Replacement HVACR Controls, Switches & Thermostats
SupcoReplacement HVACR Controls, Switches & Thermostats

Supco Hot Surface Igniter: Mfr Part # SIG101

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Hot Surface Igniter.

SKU 3G-OTH-113410

Also listed as: SIG 101 · SIG-101

Brand
Supco
Item
Hot Surface Igniter: Mfr Part # SIG101
Category
Replacement HVACR Controls, Switches & Thermostats
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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

Technical Specifications

Supco
Manufacturer Part Number
SIG101
Product Type
Hot Surface Igniter

Technical Documents

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Supco Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Hot Surface Igniter.

Frequently Asked Questions

What is the SUPCO SIG101 hot surface igniter used for?

The SUPCO SIG101 is a replacement hot surface igniter used in gas furnaces, boilers, and other HVACR equipment to ignite the burner. It is a direct-fit component for many residential and light commercial systems, ensuring reliable ignition when the original part fails.

What are the specifications of the SUPCO SIG101?

The SUPCO SIG101 is a hot surface igniter with manufacturer part number SIG101. It is designed as a direct replacement for HVACR controls, switches, and thermostats. Key specs include its product type as a hot surface igniter, suitable for gas-fired heating systems.

Where to buy the SUPCO SIG101 worldwide?

You can source the SUPCO SIG101 hot surface igniter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct replacement part for your HVACR system.

How to install the SUPCO SIG101 hot surface igniter?

To install the SUPCO SIG101, first disconnect power to the furnace. Remove the old igniter, noting its mounting orientation. Insert the new SIG101, secure it, and reconnect the wiring. Restore power and test the ignition cycle. Always follow the manufacturer's safety guidelines for your specific equipment.

Used in

Common applications for Supco
Commercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors
Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan
Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation
Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access
Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions
Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits

Supco Products

3G Electric supplies Supco replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG102)
Supco
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG102)
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG104)
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Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG104)
Ignitor Kit, Round: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG1100)
Supco
Ignitor Kit, Round: OEM, Silicon Carbide, 115V AC, Round Tip, Compatible with Supco (MPN SIG1100)
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Compatible with Supco (MPN IG401)
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Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Compatible with Supco (MPN IG401)
SUPCO Contactor: Mfr Part # DP30241
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SUPCO Contactor: Mfr Part # DP30241
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Compatible with Supco (MPN SPLT3400)
Supco
Hot Surface Igniter: OEM, Silicon Carbide, 115V AC, Compatible with Supco (MPN SPLT3400)

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