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New Product

Power Supply Housed 40VA 120-24Vac UL Class 2, DIN Rail Mount

Brand: Functional Devices
SKU: TIB40A

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$119.56$59.78
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New Product

Power Supply Housed 50VA 120-24Vac UL Class 2, DIN Rail Mount

Brand: Functional Devices
SKU: TIB50A

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$120.77$60.38
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Top Seller

Damper Actuator, 35 Inch-lb (4 Nm), Spring Return, AC 120 V, On/Off

Brand: Belimo
SKU: LF120 US

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$643.00$289.35
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Top Seller

Pilot Relay, 10 Amp SPDT, 10-30 VAC/VDC120 VAC Coil, NEMA 1 Housing

Brand: Functional Devices
SKU: RIBU1C

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$37.50$18.75
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Restricted Product

Individual Controller, MicroSD Card, Branding Clip, (2) 10/100/1000 Mb Ethernet Ports, and (2) RS-485 Serial Ports

Brand: Honeywell
SKU: HON-9000

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Top Seller

Single Output AC Power Supply, 100 VA, 120 to 24 VAC, UL Class 2, Metal Enclosure

Brand: Functional Devices
SKU: PSH100A

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$260.50$130.25
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NS8000 Series Network Sensor, Temperature and Humidity, 3 Percentage RH, Fixed Segment Display, with Logo, No Occupancy Sensor, White

Brand: Johnson Controls
SKU: NSB8BHN240-0

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$794.98$496.86
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Top Seller

Damper Actuator, 35 Inch-lb (4 Nm), Spring Return, AC/DC 24 V, 2...10 V, modulating

Brand: Belimo
SKU: LF24-SR US

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$794.00$357.30
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Wall Module, Temperature, Set Point Adjustment, Override, Fan Speed Adjustment, Sylk-Bus

Brand: Honeywell
SKU: TR42

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$298.36$125.36
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Schneider, Invensys Erie PopTop Electric Actuator, 2-Position (On/Off), 24 VAC, General Close-Off, Normally Closed, General Temperature, 18 Inch Lead, Spring Return, Appliance, Rotary, NEMA 1

Brand: Schneider Electric
SKU: AG13A020

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$162.02$70.72
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RH Series Power Relay, Plug-In, SPDT, 10 Amp, 24 VAC Coil

Brand: IDEC
SKU: RH1B-ULAC24V

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$15.06$11.25
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T-4002 Series Pneumatic Thermostat, Reverse Acting, Horizontal Mounting, Single Temperature, Heating/Cooling

Brand: Johnson Controls
SKU: T-4002-202

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$462.54$289.09
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VG7000 Series Brass Trim Globe Valves with VA-715x Series Electric Actuator, Proportional, Non-Spring Return, 24 VAC, 0-10 VDC, 90 Inch-lbs, Screw Terminal, NEMA 2

Brand: Johnson Controls
SKU: VA-7152-1001

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$823.26$514.54
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Control Transformer, 96 VA, 120 VAC Primary, 24 VAC Secondary, Circuit Breaker, Foot and Dual Hubs Mount

Brand: Functional Devices
SKU: TR100VA002

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$91.20$45.60
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Top Seller

Three Output AC Power Supply, 3 100 VA, Class 2 Outputs, 480/277/240/120 to 24 VAC, Metal Enclosure

Brand: Functional Devices
SKU: PSH300A

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$746.80$373.40
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Outdoor Air Temperature Sensor, 1 kOhm Nickel, 3 Inch Probe Length

Brand: Johnson Controls
SKU: TE-6313P-1

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$82.34$43.68
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OpenAir GDE, Damper Actuator, 90 Degree, 44 Inch-lb, Non-Spring Return, 24 VAC

Brand: Siemens
SKU: GDE131.1P

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$249.61$121.70
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Featured Partners

Featured Partner Insights: NiagaraMods
What a two-year-old's dinner chair taught me about solving the right problem and why it matters in building automation - a post originally featured on the NiagaraMods blog.
May 28, 2026
Selecting High-Performing HVAC Parts for Optimzed School Systems
By choosing the right HVAC parts for your school, you can optimize system performance, reduce maintenance demands, and lower costs
April 27, 2026
Featured Partner Insights: Functional Devices
This post originally appeared on the Functional Devices Blog. Direct Current (DC) power, a technology with a long history, is experiencing a resurgence due to its advantages in various applications,...
March 10, 2026