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Commercial HVAC for Buildings

Source Commercial HVAC for Buildings worldwide — 8,515 parts in stock from 12 brands. Browse thermostats, controls, fans & more at 3G Electric.

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Page 287 of 852

This low water cut-off and pump controller is used in steam and hot water boilers to prevent dry-fire damage. It automatically shuts down the burner and controls the feed pump when water level drops. Suitable for replacement in HVACR pumps, valves, and tubing applications.

MCDONNELL

MCDONNELL Low Water Cut-Off, Pump Controller 193

BrandMCDONNELL

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Infrared heating lamp for use in precision environmental control systems. Provides targeted radiant heat within compatible air conditioning units to support stable temperature maintenance in controlled environments.

LIEBERT IR

LIEBERT IR I/R Lamp, H-0020S

BrandLIEBERT IR

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Temperature switch for HVACR systems, used to open or close a circuit at a set temperature. Commonly applied in refrigeration, air conditioning, and heating equipment for protection or defrost control. Sold as a 5-pack for service technicians.

Supco

Supco STC4257 Temperature Switch, 5-Pack

BrandSupco

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Ignition control board for gas furnaces and HVAC systems. Manages ignition sequence, controls spark or hot-surface ignition, monitors flame presence, and ensures safe burner operation. Used as a replacement part to restore heating function.

LENNOX

LENNOX Ignition Control Board 21W14

BrandLENNOX

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Thermostatic cage unit for use with Illinois Model 3G steam traps. Designed to automatically discharge condensate while preventing steam loss in industrial steam systems. Direct replacement for the original cage unit.

BARNES & JONES

BARNES & JONES Steam Trap Cage Unit, For Illinois Model 3G

BrandBARNES & JONES

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Isolator kit for HVACR equipment. Reduces vibration and noise by isolating compressors or pumps from the mounting surface. Used in commercial refrigeration, air conditioning, and industrial process systems.

Dayton

Dayton Isolator Kit, 6366408

BrandDayton

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A.O. SMITH

A.O. SMITH Heater Element, 480V, 100110133

BrandA.O. SMITH

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This temperature sensor monitors ambient air temperature in HVACR systems. It is used for precise control of heating, cooling, and refrigeration equipment in commercial and industrial environments.

YORK

YORK S1-025-32701-015 Temperature Sensor

BrandYORK

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Valve linkage kit for mechanical connection between actuator and valve. Compatible with VB-9000. Used in HVACR and industrial equipment systems for precise control of fluid or air flow.

SCHNEIDER ELECTRIC

SCHNEIDER ELECTRIC Valve Linkage Kit AV-352

BrandSCHNEIDER ELECTRIC

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This fitting barb is used to connect hoses or tubing in HVACR equipment, providing a secure, leak-resistant seal. It is commonly applied in portable heaters, air movers, and industrial drying equipment where reliable fluid or air transfer is required.

HEAT WAGON

HEAT WAGON M50820-02 Fitting Barb

BrandHEAT WAGON

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Top brands in Commercial HVAC for Buildings

Manufacturers serving this application.

Commercial HVAC for Buildings

MCDONNELL Low Water Cut-Off, Pump Controller 193

LIEBERT IR I/R Lamp, H-0020S

Supco STC4257 Temperature Switch, 5-Pack

LENNOX Ignition Control Board 21W14

BARNES & JONES Steam Trap Cage Unit, For Illinois Model 3G

Dayton Isolator Kit, 6366408

A.O. SMITH Heater Element, 480V, 100110133

YORK S1-025-32701-015 Temperature Sensor

SCHNEIDER ELECTRIC Valve Linkage Kit AV-352

HEAT WAGON M50820-02 Fitting Barb

Top brands in Commercial HVAC for Buildings

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