SHL508 – HIGH TEMPERATURE LIMIT SWITCH (3″, L190°)
$35.14Supco SHL508 high limit switch, 3-inch insertion, opens at 190°F, closes at 170°F. Auto reset. Crosses to Carrier HH12ZB190 and Trane SWT01259.
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Supco SHL508 high limit switch, 3-inch insertion, opens at 190°F, closes at 170°F. Auto reset. Crosses to Carrier HH12ZB190 and Trane SWT01259.

Supco SHL514 high limit switch, 3-inch insertion, opens at 180°F, closes at 140°F. Auto reset. Crosses to Carrier HH12ZB180. Universal furnace replacement.

Supco SHL515 high limit switch, 3-inch insertion, opens at 200°F, closes at 160°F. Auto reset. Crosses to Carrier HH12ZB200. Universal furnace replacement.

Supco SHL516 high limit switch, 3-inch insertion, opens at 210°F, closes at 170°F. Auto reset. Crosses to Carrier HH12ZB210, Rheem 47-102473-04, and more.

Supco SHL517 high limit switch, 3-inch insertion, opens at 220°F, closes at 180°F. Auto reset. Crosses to Carrier HH12ZB220 and Lennox 29M75.

Supco SHL518 high limit switch, 3-inch insertion, opens at 250°F, closes at 210°F. Auto reset. Crosses to Carrier HH12ZB250. Universal furnace replacement.

Supco SHL522 high limit switch, 7-inch insertion, opens at 160°F, closes at 140°F. Auto reset. Crosses to Goodman B1370908/B13709-08. Direct Goodman replacement.

Supco high-pressure switch — opens at 600 PSI, closes at 475 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from high head pressure.

Supco SIG102 universal spiral hot surface ignitor. Silicon carbide, fast heat-up. Fits a wide range of furnaces with the included mounting hardware.

Supco low-pressure switch — opens at 45 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

Supco SLS140 auto reset micro limit switch, opens at 140°F, closes at 100°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

Supco SLS160 auto reset micro limit switch, opens at 160°F, closes at 120°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

Supco SLS170 auto reset micro limit switch, opens at 170°F, closes at 130°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

Supco SLS180 auto reset micro limit switch, opens at 180°F, closes at 140°F. Crosses to Nordyne 626563 and 626614. Universal fit for furnaces and heaters.

Supco SPP6E E-Series hard start kit for 1-3 ton compressors. Electronic relay — more precise and reliable than mechanical kits. Easy 3-wire install.

Supco SPP8E E-Series hard start kit for 1-5 ton compressors. Electronic relay covers the widest tonnage range. The go-to universal hard start.

3/4″ sweat suction line filter drier, 16 cu. in. Installed on the suction side after a compressor burnout to remove acid and debris. Protects the new compressor.

7/8″ sweat suction line filter drier, 16 cu. in. Installed on the suction side after a compressor burnout to remove acid and debris. Protects the new compressor.

Supco SSN2000 universal 120V silicon nitride ignitor. Replaces hundreds of OEM ignitor models. Includes mounting hardware for a wide range of furnace brands.

Supco SSN24 hot surface ignitor and flame sensor combo. 24 VAC. Direct replacement for Honeywell Q3400A1024 Smart Valve systems.

Supco SSRT3165 red silicone pressure switch tubing, 1/4″ ID x 60″. Handles -100°F to 500°F. Replaces cracked or melted rubber tubing on furnace inducer pressure switches.

Temperature fuse link, opens at 228°F (109°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 257°F (125°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 300°F (149°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 333°F (167°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 377°F (192°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 438°F (228°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Temperature fuse link, opens at 468°F (242°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.

Ceramic temperature fuse link (straight), opens at 257°F (125°C). 15 Amp. Ceramic body for higher heat environments. Straight terminal orientation.

Ceramic temperature fuse link (straight), opens at 300°F (149°C). 15 Amp. Ceramic body for higher heat environments. Straight terminal orientation.

Ceramic temperature fuse link (straight), opens at 333°F (167°C). 15 Amp. Ceramic body for higher heat environments. Straight terminal orientation.

Ceramic temperature fuse link (straight), opens at 377°F (192°C). 15 Amp. Ceramic body for higher heat environments. Straight terminal orientation.

Ceramic temperature fuse link (elbow), opens at 257°F (125°C). 15 Amp. Ceramic body with 90° elbow terminal orientation for tight-fit installations.

Multi-voltage step-down transformer, 120/208/240/480V to 24V, 100VA with built-in circuit breaker. Heavy-duty for systems that need more than 40VA. Foot mount.

TD73 time delay relay, delay-on-break. Adjustable 6 seconds to 5 minutes, 19-250 VAC/VDC. Keeps the fan running after the compressor shuts off to extract residual cooling.

18-inch universal thermocouple for gas furnaces and water heaters. Stainless steel with universal adapter fittings. Fits most standing-pilot gas appliances.

Clear Blue Advance UV-C germicidal light for HVAC systems. 16-inch UV lamp mounts inside the air handler near the evaporator coil to kill mold, bacteria, and viruses.

Clear Blue PCO UV-C light with photocatalytic oxidation. 16-inch UV lamp plus PCO cell for advanced air cleaning. Kills mold and neutralizes odors and VOCs.