PDS2-325-SMPRY | PDS2-325-SMPRY - NF61 Panel/Base Mounted with Integral Padlockable Handle 3 Pole 25A 600V/690V AC with Red/Yellow Operating Handle | C3 Controls

HDTB-SB-6 | HDTB-SB-6, HDTB Shorting Block - 6 pt Assembly (with thumb screw) | C3 Controls

IPS1-120-24 | IPS1-120-24, Series IPS, 120W, 24V/5A DIN rail mounted Power Supply, UL Listed | C3 Controls

FVPTT24LW-GIPBCRD | FVPTT24LW-GIPBCRD - 30MM PUSH TO TEST 24V LED WHITE WITH GUARDED RED CAP | C3 Controls

ECW22V-H1P1Y-08R04 | ECW22V-H1P1Y-08R04 - Compact Control Station, IEC 22mm, 1 Hole Assembly, Yellow Cover, 40mm 2-Pos. Push Pull Mushroom Cap, Red Operator w/ 1 NC, "EMERGENCY STOP" Legend Plate. | C3 Controls

ECP-300-2D40-P4X-UD | Series ECP-300 | C3 Controls

ECP-300-2D25-P4X-UXC | Series ECP-300 | C3 Controls

620-S09D10-2D40 | Series 620 | C3 Controls

620-S09XC10-2D63 | Series 620 | C3 Controls

620-S09XC10-2D40 | Series 620 | C3 Controls

320-B2U23 | 320-B2U23 - O313B, Ser B, Bimetallic Overload Relay Class 10 15~23A | C3 Controls

300-S40N30D10 | 300-S40N30D10 - BTO, Ser B, 40A Non-Reversing Contactor, 3 Pole; Coil: 120V 60Hz / 110V 50Hz; 1 NO Auxiliary Contact | C3 Controls

1100-SP1C2U30 | 1100-SP1C2U30 - SP122, Miniature Circuit Breaker, 1 Pole, 30A, Trip Curve C, UL 1077 Supplementary Protector, IEC 60947-2, IEC 60914 | C3 Controls

1100-CB3D2D50 | 1100-CB3D2D50 - MCB175, Miniature Circuit Breaker, 3 Pole, 5A, Trip Curve D, UL 489, IEC 60947-2, IEC 60898 | C3 Controls

3SU14001AA101CA0 | 3SU14001AA101CA0 Contact Module, 1 NC | Siemens

iO-TS45 | Temp Stat 45 Degree Thermostat - Heating Pack of 10 | iO HVAC Controls

HD-MOTOR-ALT | iO Replacement for Honeywell M847D-Zone Damper Actuator Motor | iO HVAC Controls

RRD-06 | Rheem 6" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | iO HVAC Controls

RRD-08 | Rheem 8" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | iO HVAC Controls

MBD-2408 | Manual Rectangular 24 x 08 Zone Damper | iO HVAC Controls

HD-NA-2016 | 20 x 16 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

MBD-1614 | Manual Rectangular 16 x 14 Zone Damper | iO HVAC Controls

HD-NA-2010 | 20 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-3822 | 38 x 22 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1414 | 14 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1812 | 18 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-2020 | 20 x 20 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-2008 | 20 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-0808 | 08 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-2408 | 24 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1212 | 12 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1612 | 16 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1810 | 18 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-NA-1610 | 16 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | iO HVAC Controls

HD-2412-PO | 24 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Powered Open | iO HVAC Controls

D-12-120V | 12", 2 Wire Damper with 120V Actuator | iO HVAC Controls

D-16-120V-PO | 16" Powered Open, 2 Wire Damper with 120V Actuator | iO HVAC Controls

143-62-023-42 | 1/4" ORIFICE FOR 143 | Sensus-Gas Division

51-106543-21 | VarSpeedMotor 1hp 120v 48Y | Rheem-Ruud

169293 | 5/8"x7/8"ODF R22 6Ton Txv | Sporlan Controls

VCZAS1132 | TRANE LIN VALVE 2W 1 IN SWT X13680551020 | Resideo

S688A1007/B | Sail Switch with 5 in. wide sail, Bulk | Resideo

720-402 | 1/2X3/4"24v NAT/LPvlv | Robertshaw

1950-560 | THERMOPILE,2-LEAD,60" 750mv | Robertshaw

1980-024 | Snap-fit Thermocouple,24" | Robertshaw

RK120EAA | WALL THERMOSTAT | Markel Products Co.

143-16-021-05 | Green Spring for 243/121/122 | Sensus-Gas Division

F680-300SHP+GKX24-MFT-X1 | Butterfly Valve | 3" | 2 Way | 223Cv | w/ Electronic Fail-Safe | 24V | MFT | Belimo

F6100-150SHP+2*AFBUP-X1 | Butterfly Valve,4",2 Way,451Cv,w/ Spring Return,24 -240V,On/Off | Belimo

24291503 | THERMOSTAT | ClimateMaster

571110LF-341 | 3/4"NPT BAL VLV CBV075VTCR | Armstrong Fluid Technology

73W33 | Lennox 102737-07, 2-Stage Pressure Switch, Set Point High 0.68" W.C.; Set Point Low 0.35" W.C. | Lennox

CO2-2POS-06 | 6" Two Position Demand CO2 Ventilation Kit | iO HVAC Controls

OAD-10-120V | Outside Air Damper 10" - 120V | iO HVAC Controls

OAD-08-120V | Outside Air Damper 8" - 120V | iO HVAC Controls

OAD-06-24V | Outside Air Damper 6" - 24v Motor | iO HVAC Controls

15Z66 | Lennox 100001-06, Condenser Fan Orifice Ring, 22.6 ID x 6" H | Lennox

HD110108-200 | S-45 LS/Volute w/Viton Seal | Armstrong Fluid Technology

12742212 | ESBE CRA122 Setpoint Control, 24VAC, Floating (3 point), selectable run time | Danfoss

NSYCCOTH120VID | Climasys CC - Electronical Thermostat 95-135V - Range of Temperature -40-80 deg. C | Square D

NSYCCOTHCF | ClimaSys CC - Simple Thermostat 250V - Range of Temperature 0…60 deg. C - NC - deg. F | Square D

143-62-021-15 | RED SPRING FOR 143'S | Sensus-Gas Division

143-62-023-46 | 5/8" ORIFICE FOR 143 | Sensus-Gas Division

VP228E-20S-L40-U201 | SmartX, Pressure Independent Valve Assembly, 3/4 in, 2-way, 4.0 GPM, PT ports, MP300-SRU spring return open actuator | Schneider Electric

VP229E-20HN-L65-S101 | SmartX, Pressure Independent Valve Assembly, 3/4 in, 2-way, 6.5 GPM, MP131-24MP proportional actuator | Schneider Electric

VP229E-32S-014-U301 | SmartX, Pressure Independent Valve Assembly, 1-1/4 in, 2-way, 14 GPM, PT ports, MP300-SRD spring return closed actuator | Schneider Electric

VP220E-50S-034-U331 | SmartX, Pressure Independent Valve Assembly, 2 in, 2-way, 34 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP228E-15L-L10-U201 | SmartX, Pressure Independent Valve Assembly, 1/2 in, 2-way, 1.0 GPM, PT ports, MP300-SRU spring return open actuator | Schneider Electric

VP220E-50S-052-U331 | SmartX, Pressure Independent Valve Assembly, 2 in, 2-way, 52 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP220E-40S-030-U331 | SmartX, Pressure Independent Valve Assembly, 1-1/2 in, 2-way, 30 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP220A-80S-100-U231 | SmartX, Pressure Independent Valve Assembly, 3 in, 2-way, 100 GPM, MP500C-SRU proportional spring return actuator | Schneider Electric

VP220E-40S-032-U331 | SmartX, Pressure Independent Valve Assembly, 1-1/2 in, 2-way, 32 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP228E-10L-L05-U201 | SmartX, Pressure Independent Valve Assembly, 1/2 in, 2-way, 0.5 GPM, PT ports, MP300-SRU spring return open actuator | Schneider Electric

VP220A-65S-080-U331 | SmartX, Pressure Independent Valve Assembly, 2-1/2 in, 2-way, 80 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP220E-50S-038-U331 | SmartX, Pressure Independent Valve Assembly, 2 in, 2-way, 38 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP220E-50S-040-U331 | SmartX, Pressure Independent Valve Assembly, 2 in, 2-way, 40 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VP220A-65S-070-U331 | SmartX, Pressure Independent Valve Assembly, 2-1/2 in, 2-way, 70 GPM, MP500C-SRD proportional spring return actuator | Schneider Electric

VFFS-6200-E25D-L-14 | VB: 4 in, 2W, BFV, FLG, Full, FE, 841 cv, 175 PSI; Act (BRY-NR-2224-521+BRY-NR-2224-522): Elec, Float, NSR, 24 VAC/VDC, TB, 210 in-lb, SPDT, Dual act | Schneider Electric

METSEEM3561 | Bi-Dir.DIN Energy Meter | BACnet MS/TP | Pulse In & Alarm | Schneider Electric

HU461AWK | Safety switch, heavy duty, non fusible, 30A, 4 poles, 30 hp, 600 VAC/DC, NEMA 12 | Square D

H365RGL | Safety switch, heavy duty, fusible, 400A, 3 poles, 250 hp, 600 VAC/DC, NEMA 3R | Square D

H361AWC | SWITCH FUSIBLE HD 30A /CR-HI RECEPTACLE | Square D

HU366 | Safety switch, heavy duty, non fusible, 600A, 3 wire, 3 poles, 500hp, 600VAC/DC, Type 1 | Square D

H225NR | Safety switch, heavy duty, fusible, 400A, 3 wire, 2 poles, 1 neutral, 125hp, 240VAC/250VDC, Type 3R | Square D

D321N | Single Throw Fusible Safety Switch, 30A, NEMA 1, 3-Poles, 240V | Square D

DU221RB | Single Throw Safety Switch, GD, 240V, 30A, 2P, NEMA 3R | Square D

D221N | Single Throw Fusible Safety Switch, 30A, NEMA 1, 2-Poles, 240V | Square D

MSX-W12-PA-LCD | MSX-W12-PA-LCD PR XMTR WALL MR | Dwyer

VFB-65-SSV | VFB-65-SSV 0.2-4 LPM AIR | Dwyer

H3S-2SL | H3S-2SL PRESS SW 0.5-15 PSID | Dwyer

L6EPS-S-S-3-S | L6EPS-SS3S FLOTECT LEVEL SW | Dwyer

TSWB-040 | Temperature/water level switch | 24 VAC/VDC | °F. | Dwyer

VFC-123-EC | Flowmeter | range 10-100 SCFM air. | Dwyer

STC451 | Pipe-mount bimetal surface thermometer | range -50 to 250°F | 1-5/8" to 2-3/8" pipe. | Dwyer

WMH-A-C-06-10 | Multi-Jet hot water meter | 1" pipe size | 10 gal pulse output. | Dwyer

ZV1044-NO | Two-way zone valve | 1" NPT | 24 VAC. | Dwyer

TTE-109-W-LCD | Explosion-proof RTD temperature transmitter | 9" probe | with LCD display. | Dwyer

WMT2-B-C-12-1 | 1-1/4" BSPT (32mm) brass multi-jet water meter (m3/h) | with pulse output | 1 L/pulse. | Dwyer

VFB-91-BV | Flowmeter | range 1-10 SCFH air. | Dwyer

WMT2-B-C-10-1 | 3/4" BSPT (20mm)brass multi-jet water meter (m3/h) | with pulse output | 1 L/pulse. | Dwyer

WPT-A-C-02-1 | Multi-Jet plastic water meter | 5/8" x 3/4" pipe size with 1 gal pulse output. | Dwyer

VFA-41-BV | Flowmeter | range .6-5 GPH water. | Dwyer

WMH-A-C-07-100 | Multi-Jet hot water meter | 1-1/2" pipe size | 10 gal pulse output. | Dwyer

WMT2-A-C-02-100 | 5/8" x 3/4" brass multi-jet water meter (GPM) | with pulse output | 100 Gal/pulse. | Dwyer

WPT-A-C-04-1 | Multi-Jet plastic water meter | 1" pipe size with 1 gal pulse output. | Dwyer

VFA-4-BV | Flowmeter | range 1-10 SCFH air. | Dwyer

WD | Series WD Tape Style Leak Detectors Leak detection receiver module | Dwyer

WMH-A-C-07-1 | Multi-Jet hot water meter | 1-1/2" pipe size | 1 gal pulse output. | Dwyer

WMT2-A-C-07-1 | 2" brass multi-jet water meter (GPM) | with pulse output | 1 Gal/pulse. | Dwyer

W199AX-14 | DPDT | 40 amp rating (AC) | 120 VAC | 50/60 HZ | 290 Ω. | Dwyer

VFA-1-EC | Flowmeter | range .1-1 SCFH air. | Dwyer

WHT-330 | Water-resistant humidity transmitter with sintered filter | 3% accuracy | 0-5 VDC humidity output. | Dwyer

WM2-A-C-02 | 5/8" x 3/4" brass multi-jet water meter (GPM). | Dwyer

VFA-42 | Flowmeter | range 2-10 GPH water. | Dwyer

VFA-3-SSV | Flowmeter | range .6-5 SCFH air. | Dwyer

VBS-2 | Vibration switch | 0-50 mm/s Vrms range | Dwyer

VFA-44 | Flowmeter | range 8-40 GPH water. | Dwyer

VFA-43-BV | Flowmeter | range 3-20 GPH water. | Dwyer

VFA-24 | Flowmeter | range 1-10 LPM air. | Dwyer

VFA-3-EC | Flowmeter | range .6-5 SCFH air. | Dwyer

VFA-2-EC | Flowmeter | range .2-2 SCFH air. | Dwyer

VFA-26-EC | Flowmeter | range 6-50 LPM air. | Dwyer

VFA-32-SSV | Flowmeter | range 6-50 cc/min water. | Dwyer

VFA-42-BV | Flowmeter | range 2-10 GPH water. | Dwyer

VFA-2-BV | Flowmeter | range .2-2 SCFH air. | Dwyer

VFC-143-EC | Flowmeter | range 2-20 GPM water. | Dwyer

VFA-22-BV | Flowmeter | range .15-1 LPM air. | Dwyer

VFA-24-BV | Flowmeter | range 1-10 LPM air. | Dwyer

VFA-27-BV | Flowmeter | range 10-100 LPM air. | Dwyer

VFA-24-SSV | Flowmeter | range 1-10 LPM air. | Dwyer

VFA-23-BV | Flowmeter | range .6-5 LPM air. | Dwyer

VFA-1-EC-SS | Flowmeter | range .1-1 SCFH air. | Dwyer

TUF-150-BN | Tenant ultrasonic BTU flowmeter | DN15 pipe size and 1.5 m3/h permanent flow rate with BACnet® communication. | Dwyer

UV-A112 | Polysulfone flowmeter | range 1-13 SCFM (30-370 LPM) air. | Dwyer

TUF-200-MD | Tenant ultrasonic BTU flowmeter | DN20 pipe size and 2.5 m3/h permanent flow rate with Modbus® communication | Dwyer

V8-WP | Vane operated flow switch with weatherproof enclosure (phenylpolioxide). | Dwyer

UFM2-14 | Compact ultrasonic flowmeter | pulse and 4-20 mA outputs | 3/4 to 4" (25 to 115 mm) pipe | Dwyer

UTG | Ultrasonic Thickness Gage | Dwyer

V10SS | Mini-size flow switch | 303 SS | normally open or closed. | Dwyer

TSS2-2110 | Dual stage temperature switch | °C | 115 VAC. | Dwyer

TTE-112-W-LCD | Explosion-proof RTD temperature transmitter | 12" probe | with LCD display. | Dwyer

TUF-800-BN | Tenant ultrasonic BTU flowmeter | DN80 pipe size and 40 m3/h permanent flow rate with BACnet® communication. | Dwyer

TSS2-2300 | Dual stage temperature switch | °F | 12 VAC/DC. | Dwyer

TRI2-200-50L | 0 to 200 psi (0 to 1400 kPa) | 1/2" bottom mount | Dwyer

TS2-K | Programming configuration key. | Dwyer

TSW-260 | Weatherproof digital temperature switch | dual stage | 12 to 24 VAC/VDC power supply | Dwyer

TCS-4020 | Thermocouple temperature switch | type J/K/S Input | 230 V | °F. | Dwyer

TRI2-60-50 | 0 to 60 psi (0 to 400 kPa) | 1/2" back mount | Dwyer

TP10 | Series WD Tape Style Leak Detectors 10 ft. leak detection tape | Dwyer

TE-TNS-N253N-00 | Series TE-TNS Thermowells Welded 304 SS, 1/2" NPT Internal Connection, 1/2" NPT Process Connection, for 2.5" temp. sensor | Dwyer

TE-TNS-N254N-14 | 2-1/2" SS Thermowell with 1/4" NPT internal and 1/2" external thread. | Dwyer

TE-TNS-N063N-00 | Series TE-TNS Thermowells Welded 304 SS, 1/2" NPT Internal Connection, 1/2" NPT Process Connection, for 6" temp. sensor | Dwyer

TE-SNW-B | Strap on surface mounted temperature sensor | 10 KΩ Type II Thermistor | Dwyer

TE-TNS-N044N-12 | Series TE-TNS Thermowells 304 SS, Machined, 1/2" NPT Internal Connection, 3/4" NPT Process Connection, for 4" temp. sensor | Dwyer

TE-NND-B | NA Wall Mount Temperature Sensor | 10K Ohm Type II Sensor | Dwyer

SVT-4 | Solenoid valve enclosure with timer | 90-240 VAC | 4 valves. | Dwyer

TE-DFN-A0444-00 | Air Duct Temperature Sensor | 4 inch probe | 10K Ohm Type III Thermistor. | Dwyer

TE-OND-B | Series TE Outdoor Temperature Sensors NEMA 4X rectangular housing, 10K Type II NTC thermistor, radiation shield | Dwyer

TE-NND-E | NA Wall Mount Temperature Sensor | PT1K Ohm RTD Sensor | Dwyer

TE-TNS-N045N-12 | Series TE-TNS Thermowells 316 SS, Machined, 1/2" NPT Internal Connection, 3/4" NPT Process Connection, for 4" temp. sensor | Dwyer

TCS-K | K type thermocouple | 4" probe | 48" extension. | Dwyer

SBSV-S4F1 | 2-way 316SS solenoid valve | 1/2" | 7.28-188.5 psi | FKM seal | 110 VAC | Dwyer

SG5-G0522N | 4.5" Contractor gage | 0 to 100 psi | 1/4" NPT bottom connection | Dwyer

NEMA Enclosure Ratings Chart: How to Choose Nema-Rated Enclosure for Your Application

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Carbon Monoxide and Smoke Detectors: The Buyer’s Guide

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Circuit Breaker Basics: All You Need to Know About Household Circuit Breakers

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UV HVAC Systems: Does Ultraviolet Improve Air Quality?

Recirculating Hot Water Systems: The Buyers Guide

Using BACnet for Automation: All You Need to Know

Sensors vs Transducers: What Is the Key Difference?

PVC for Plumbing: 11 Advantages of PVC Pipes and Fittings

Going Remote: 7 Benefits of Wireless HVAC Controls

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Current Transformer Cabinets, Electrical Enclosures, and Sockets: What Is a CT Cabinet, and How to Choose One?

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Commercial vs Residential HVAC Systems: 6 Main Differences

6 Benefits of Air Balancing for Your HVAC System

Tips for Controlling the Indoor Humidity

Radiator Valves: All You Need to Know

9 Signs Your HVAC System Needs Repairs

How Air Conditioner Works: 7 Main Parts of an AC Unit

Air Conditioner Freezing Up: Causes, Solutions & Ways to Prevent

Winter Commercial Building Maintenance: Tips & Checklist

ERV vs. HRV: What’s The Difference?

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Power Outage 101: Everything You Need to Know about Power Outages

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5 Power Surge Causes: How to Protect Your Devices?

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