Name: Supco SL5708 Thermostat 14T21 Style 30318
Brand: Supco
SKU: SL5708
Price: 46.04 USD
Availability: InStock

Supco SL5708 Thermostat 14T21 Style 30318

Description

Product Summary

The Supco SL5708 Thermostat 14T21 Style 30318 is a professional-grade replacement part from Supco (Sealed Unit Parts Co.), a trusted name in HVAC/R and appliance parts since 1945. The SL series line of exact replacement heavy-duty sealed bimetal disc controls meets the higher electrical requirements of commercial applications. Can handle electrical loads up to 25 amps at 120/240VAC.

Limit switches and temperature controls (snap-disc thermostats) protect furnaces, air handlers, and appliances from overheating and control fans and heaters by temperature. This group includes automatic and manual-reset limits, rollout switches, thermal cutoffs, fan controls, plenum limits, and defrost terminators. Always replace with the same open/close temperature ratings and mounting style.

Key Features

42" leads
CSA approved
High-speed contact separation ensures long contact life
Metal case
Rated 10A/120V, 5A/240V
Sealed construction provides moisture resistance for moisture prone environments
UL® recognized
WARNING: Prop 65 info

Specifications

Brand	Supco
Part Number	SL5708
Part Type	Limit Switch / Temperature Control
Open (°F)	75°F
Close ( °F)	40 °F
Mount	Flush

Cross Reference

The Supco SL5708 is a direct replacement for the following OEM and competitor part numbers. Always verify ratings and fit against the original part before installing.

Replaces Part #	Manufacturer	Description
4752C	Climate Control®

White Paper

Supco SL5708 Application Sheet (PDF)

What's Included

(1) Supco SL5708 Thermostat 14T21 Style 30318

Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Quick sizing snapshot

Enter your home size and a few basics to see a quick HVAC365 sizing snapshot you can review with a Professional.

Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

Climate

We’ll auto-detect for U.S. visitors.

Home type

Select your home type.

Shared walls and insulation levels change the load—pick what matches your structure.

System type

Choose a system type.

Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

Supco

Weight:

1.00 LBS

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Prop 65 Warning:

Yes

Part Type:

Limit Switch / Temperature Control

Open (°F):

75°F

Close ( °F):

40 °F

Mount:

Flush

Replaces:

4752C

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.