SUPCO L170-40 SPST Limit Control Switch MFG# SHL501 HVAC Gas Furnace Sensor

SKU: SHL501

Weight	1.5 lbs
Dimensions	8 × 8 × 8 in

$52.39

In stock — available to order.

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Quantity	Unit price	Saving
1–4	$52.39	0%
5–9	$49.77	5%
10+	$47.15	10%

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SUPCO L170-40 SPST Limit Control Switch MFG# SHL501 HVAC Gas Furnace Sensor

Specifications & product details

Overview

The SUPCO L170-40 SPST Extended Insertion Limit Control is a high-performance temperature sensor and cutoff switch designed for gas furnaces and industrial HVAC systems. This unit opens at 170°F and closes at 130°F, ensuring consistent and safe temperature cycling.

Key Features

Reliable SPST Switching for accurate temperature limit controlExtended 3.12" Insertion Probe ensures effective thermal monitoring inside gas heating systemsMounting Board
Dimensions: 1.88" x 2.8" — fits most standard HVAC systems
Durable industrial-grade construction for long-term reliability in propane, LP gas, and natural gas systemsManufacturer
Model: MFG# SHL501 | SUPCO
Model: L170-40 SPSTIdeal for replacement, repair, or OEM HVAC applications
Compatible With:Residential and commercial furnacesHVAC systems running on LP, natural gas, or propaneThermostat and blower integration with auto-reset safety protocols

Product details

Part / SKU	SHL501

Package includes

SUPCO L170-40 SPST Limit Control Switch MFG# SHL501 HVAC Gas Furnace Sensor

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Specifications and compatibility

For use with	HH12ZA174A, HH12ZA176A, P331-2203

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