Hero image 0 of Supco Thermostat,1-1/2" D,2" W,1" H SHM350, 0 of 3

Supco Thermostat,1-1/2" D,2" W,1" H SHM350

(No ratings yet)

Key item features

Furnace Thermostat with Manual Reset | SHM350 | 350°F Cutout | Replaces AP5648643 Protect your heating system with this brand-new SHM350 manual reset furnace thermostat. Featuring a 350°F cutout temperature, this high-limit switch is part of the trusted SHM Series of 3/4" (19mm) bimetal disc temperature controls—offering proven reliability in a compact, cost-effective design. Built to handle loads up to 25 amps at 240VAC, it’s ideal for residential and light commercial furnace applications requiring high-temperature manual reset safety. ⚙️ Features & Benefits:
✅ Manual reset design for enhanced safety and control
Opens at 350°F to prevent overheating
Rated for up to 25 amps at 240VAC
Compact 3/4" (19mm) bimetal disc construction
Brand New – Unused and ready to install Replaces Part Numbers: AP5648643 ✅ Fits Models: Compatible with select furnace and HVAC systems requiring a manual reset thermostat with 350°F cutout. Please refer to your unit’s service manual or model tag to confirm compatibility. ️ Installation Tips:
Disconnect power before servicing the furnace
Locate the existing thermostat near the heat exchanger or control panel
Remove mounting screws and disconnect wire terminals
Install the new SHM350 thermostat in the same orientation
✅ Reconnect wires securely, restore power, and test system operation

Specs

Thermostat type
Manual Thermostat
Features
Temperature Controlled
Power type
Manual
Installation type
Screw-In
Control type
Manual
Display
No Display

Current price is Now $16.75

You save $10.24

was $26.99

Price when purchased online

Free shipping
Free 30-day returns

Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

2-Year Plan - $2.00

3-Year Plan - $3.00

Smart Device Setup

Smart Thermostat Installation - $88.00

How do you want your item?

Columbus, 43215

Arrives by Sat, May 2

Sold and shipped by Washer Specialties Co

4.649484536082475 stars out of 5, based on 97 seller reviews(4.6)

Report an issue with this seller

Free 30-day returns - in store or online

More seller options (4)

Starting from $20.35

About this item

Product details

Manual Reset, Application Limit Control, Mounting Surface Mount, Contact Form SPST, Switch Action Open on Rise, Reset Type Manual Reset, Switch Closing Temperature Not Applicable, Switch Opening Temperature 350 Degrees F, Input Voltage 120V AC, 240V AC, Maximum Control Temperature 350 Degrees F, Minimum Control Temperature 330 Degrees F, Mounting Base Length 2 in, Mounting Base Width 1 5/8 in, Product Type Thermostat, Overall Depth 1 1/2 in, Overall Height 1 in, Overall Width 2 in

Furnace Thermostat with Manual Reset | SHM350 | 350°F Cutout | Replaces AP5648643 Protect your heating system with this brand-new SHM350 manual reset furnace thermostat. Featuring a 350°F cutout temperature, this high-limit switch is part of the trusted SHM Series of 3/4" (19mm) bimetal disc temperature controls—offering proven reliability in a compact, cost-effective design. Built to handle loads up to 25 amps at 240VAC, it’s ideal for residential and light commercial furnace applications requiring high-temperature manual reset safety. ⚙️ Features & Benefits:
✅ Manual reset design for enhanced safety and control
Opens at 350°F to prevent overheating
Rated for up to 25 amps at 240VAC
Compact 3/4" (19mm) bimetal disc construction
Brand New – Unused and ready to install Replaces Part Numbers: AP5648643 ✅ Fits Models: Compatible with select furnace and HVAC systems requiring a manual reset thermostat with 350°F cutout. Please refer to your unit’s service manual or model tag to confirm compatibility. ️ Installation Tips:
Disconnect power before servicing the furnace
Locate the existing thermostat near the heat exchanger or control panel
Remove mounting screws and disconnect wire terminals
Install the new SHM350 thermostat in the same orientation
✅ Reconnect wires securely, restore power, and test system operation

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Thermostat type

Manual Thermostat

Features

Temperature Controlled

Power type

Manual

Installation type

Screw-In

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Ingestion Hazard

This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.