All Relays & Switches

Product DescriptionHeil Quaker ICP Limit Switch, model 1177033, is designed to perform reliably in various HVAC systems. This switch activates at 350 degrees Fahrenheit, ensuring effective operation and safety within your heating system. Direct replacement for multiple models ensuring broad compatibility Lightweight at just...

Product DescriptionThe Goodman Manual Reset Limit, MPN 10123539, is designed for use in Goodman and Amana HVAC systems. This limit switch acts as a critical safety component, ensuring that equipment is protected from potentially damaging conditions by automatically shutting down when temperature or pressure...

L145 Manual Reset Limit Switch

Product Description Introducing the NORDYNE 626458R, a 2-Pole Limit Switch designed to operate at 190F, ensuring your HVAC systems run smoothly and efficiently. Ideal for professionals in the HVAC industry looking for reliable replacement parts, this limit switch is built to last and provide...

Product DescriptionThe Reznor 234712 Air Proving Switch NS2-1043-00 is a reliable component designed to monitor airflow in industrial heating systems. Made by Reznor, this switch ensures that your system gets the airflow it needs for optimal combustion efficiency. Monitors airflow Ensures optimal combustion efficiency...

Product Description The Honeywell ST9103A1002 is a replacement electronic fan timer for oil furnaces. This fan timer integrates control of both the burner and circulating fan operations in oil furnaces. Central Appliance Wiring Point Simplifies Service Oil Burner Primary Control Fixed or Field-Adjustable Heat...

Product Description The McDonnell & Miller FS4-3 Flow Switch is designed for various industrial applications. This general-purpose liquid flow switch features a single pole double throw (SPDT) contact configuration and a 1-inch NPT connection for ease of installation. The FS4-3 ensures reliable flow detection...

Product DescriptionClimateMaster 13B0004N01 Relay DPDT 22a 24vac offers precise control and reliable operation for industrial applications. Its robust design ensures durability, ideal for various electrical systems. Double-pole, double-throw (DPDT) contacts 22 amperes current capacity 24 volts AC voltage rating Product HighlightsClimateMaster relay provides enhanced...

Product DescriptionThis Lennox 93J31 80 Amp 3 Pole Disconnect Switch is a high-quality, reliable solution for managing power disconnections in a variety of HVAC systems. Manufactured with precision, it ensures outstanding performance and durability. Ideal for professional settings, this disconnect switch meets the rigorous...

Product DescriptionThe Cleveland Controls AirFlowSwitch model DDP-106-313 ensures precise airflow monitoring and control across various industrial settings. This device is essential for maintaining optimal system efficiency and performance. Accurate flow measurements with analog output signal Durable, rugged construction suitable for tough environmentsAdaptable across multiple...

Product DescriptionThe Reznor 112752 Blocked Flue Switch M/R, L225F, is essential for maintaining the safety and efficiency of your heating system. This reliable device is designed to identify and react to blockages in flue pipes, preventing potential hazards. Ensures safe operation Rugged construction Ideal...

Overload Protector

Product DescriptionThe Warrick-Gems Sensors & Controls 26B1A0Z06 is a low water cutoff (LWCO) control designed for applications in critical fluid level monitoring. This LWCO is equipped with a liquid level float that ensures safe operation in various systems. The control operates on a maximum...

Product DescriptionThe WARRICK-GEMS SENSORS & CONTROLS 26MC1B0E is a 120V 26K Ohm DIN-mountable power outage indicator, designed for accurate detection of power failures in industrial settings. This device ensures consistent operation with a solid-state design and offers a high-visibility LED indicator for clear status...

Product Description The Hydrolevel CG450-1560 is a low water cut-off control designed for steam boilers. It operates with a 120V power supply and features an SPDT switch. Reliable electronic operation Easy to install Low maintenance, no moving parts Product HighlightsThis product includes a 15-second...

Product DescriptionTaco SR502-4 is a 2-zone switching relay designed to optimize your HVAC systems efficiency and operation. It features dual zones with priority control, making it an essential component for multi-zone heating systems. Expandable up to 120 zones with additional control panels. Includes external...

Product DescriptionThe Taco SR501-4 1-Zone Switching Relay offers dependable performance for controlling one zone in heating or cooling installations. Engineered with the professional in mind, this device integrates seamlessly with both conventional and programmable thermostats. Universal compatibility with 24V, 120V, and 240V systems. Fuse...

Product DescriptionThe Honeywell HPSR104 is a four zone switching relay designed for hydronic zoning applications. This relay allows for efficient management of multiple heating zones, ensuring both comfort and energy savings. Installation is simplified with reduced wiring requirements, making it suitable for HVAC professionals....