Sensors, Safety Switches & Limits: Keep Your Heating Systems Running Safely

Midwest Supply offers a diverse selection of sensors, safety switches, and limit switches designed to ensure the safe and reliable operation of your heating systems. We carry a wide range of components from top brands, including temperature, pressure, flame, and safety sensors, ensuring you find the right solutions for your heating system.

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Aaon Sensors AERCO Boiler and Water Heater Sensors AJ Antunes Sensors Armstrong Furnace Sensors Image for Armstrong International Armstrong International Sensors Bacharach Sensors Baltimore Parts Sensors Image for BAPI BAPI Sensors Barber Colman Sensors Bard HVAC Sensors Image for Belimo Belimo Sensors Bell Gossett Sensors Bosch Sensors Bradford White Sensors Broan Fans Sensors BROAN-NuTone Sensors Buderus Sensors Burnham Boilers Sensors Carlin Sensors Carlyle Sensors Carrier Sensors Chicago Faucet Co Sensors ClimateMaster Sensors Copeland Sensors Danfoss Sensors DriSteem Sensors Eclipse Sensors EWC Controls Sensors Fenwal Sensors Fireye Sensors GE Sensing-General Eastern Sensors Greenheck Sensors Grundfos Sensors Grundfos Circulators Sensors Haier A/C Sensors Heat Transfer Prod Sensors Heatcraft Refrigeration Sensors Honeywell Sensors Honeywell E-MON Meters Sensors Honeywell Home Sensors Honeywell Inc Sensors Hydrolevel/Safeguard Sensors ICM Controls Sensors Indeeco Sensors Intellihot Sensors International Comfort Products Sensors J/B Industries SAE Fittings Sensors Johnson Controls Sensors Kele Product Sensors Laars Sensors Leak Detector Sensors Maxitrol Sensors Mcdonnell Miller Sensors Micronet Sensors Modine Sensors Moen Sensors Image for Navien Boilers & Water Heaters Navien Boilers & Water Heaters Sensors Oil Equipment Manufacturing Sensors Panasonic Sensors Pro1Iaq Sensors R.W. Beckett Sensors Raypak Sensors Resideo Sensors Reznor Sensors Rinnai Sensors Sterling Sensors Thermo Pride Furnaces Sensors Water Heater Parts Sensors Weil Mclain Sensors York Sensors

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HVAC Humidity Sensor for Sale Duct Sensors Outside Sensors for Sale Room Humidity and Temperature Sensors CO2 Sensors for Sale Belimo Strap Sensors Pressure Sensors Belimo Bullet Sensors Accessories
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View Details Buderus 8718600019 Pressure Sensor Water for GB142 Series | Midwest Supply Us
8718600019 | Pressure Sensor Water for GB142 Series | Buderus
Brand: Buderus
SKU: 8718600019
$138.84 each
View Details Navien Boilers & Water Heaters 30014699A Water Pressure Sensor for CH/NCB Model | Midwest Supply Us
30014699A | Water Pressure Sensor for CH/NCB Model | Navien Boilers & Water Heaters
Brand: Navien Boilers & Water Heaters
SKU: 30014699A
$32.43 each
View Details Burnham Boilers 106038-01 Outdoor Sensor Kit for Hydrolevel 48-140 | Midwest Supply Us
106038-01 | Outdoor Sensor Kit for Hydrolevel 48-140 | Burnham Boilers
Brand: Burnham Boilers
SKU: 106038-01
View Details
View Details Burnham Boilers 106038-01 Outdoor Sensor Kit for Hydrolevel 48-140 | Midwest Supply Us
106038-01 | Outdoor Sensor Kit for Hydrolevel 48-140 | Burnham Boilers
Brand: Burnham Boilers
SKU: 106038-01
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View Details Weil Mclain 511330192 Flame Sensor Main 30 Inch | Midwest Supply Us
511330192 | Flame Sensor Main 30 Inch | Weil Mclain
Brand: Weil Mclain
SKU: 511330192
$73.50 each
View Details Burnham Boilers 8236040 Probe Igniter Sensor Electronic LEC PENN Y75AA-3D | Midwest Supply Us
8236040 | Probe Igniter Sensor Electronic LEC PENN Y75AA-3D | Burnham Boilers
Brand: Burnham Boilers
SKU: 8236040
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View Details Mcdonnell Miller 179525 Sensor RS-2BR-1 2 Level High Pressure 406 Degrees Fahrenheit 250 Pounds per Square Inch Gauge | Midwest Supply Us
179525 | Sensor RS-2BR-1 2 Level High Pressure 406 Degrees Fahrenheit 250 Pounds per Square Inch Gauge | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 179525
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View Details Heat Transfer Prod 7250P-019 High Limit Sensor Munchkin ECO for T/EL/ELP | Midwest Supply Us
7250P-019 | High Limit Sensor Munchkin ECO for T/EL/ELP | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-019
$112.88 each
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Norgas Controls NGR02-BBA Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Midwest Supply Us
NGR02-BBA | Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
$86.98
BAPI BA/10K-2-H210-D-BBX Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
$104.49
Norgas Controls N5D-1500-S GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Midwest Supply Us
N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
$294.63
BAPI ZPS-ACC04-1 Room Pressure Pickup Ports with Temperature Sensor | Midwest Supply Us
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
$16.20
Belimo B214 Characterized Control Valve (CCV), 1/2", 2-way | Midwest Supply Us
B214 | Characterized Control Valve (CCV), 1/2", 2-way | Belimo
Brand: Belimo
SKU: B214
$76.05
Everflow EPRC1501-NL 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Midwest Supply Us
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Everflow
Brand: Everflow
SKU: EPRC1501-NL
$0.00
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