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RSA20/24 Marley Electric Heating Company Relay w/ Transformer, 208V-24V, 25A

$ 61.57 $ 36.94

Siemens Qfa3212.Fwsn Temperature/Humidity Sensor,Oled

$ 227.08 $ 136.25

DAYTON 2E869 Temperature Control Ventilation 120/240VAC SPST (NOS)

$ 43.95 $ 26.37

JOHNSON CONTROLS T-4000-3142 PNEUMATIC THERMOMETER COVER

$ 22 $ 13.2

NEW Samsung MWR-SH10N Wired Remote Controller Accessory Kit

$ 87.99 $ 52.79

Pro1 IAQ RZ250W Outdoor Remote Temperature Sensor

$ 25.47 $ 15.28

Danfoss 060L2015 KP 62 Temperature Control Switch SPDT

$ 59.83 $ 35.89

Barksdale, AMC-F5(Switch type SPST ), Raychem , Line Sensing Thermostat

$ 149.59 $ 89.75

American Standard ASYSTAT616 Thermostat Subbase Auto Q674C1371

$ 8.75 $ 5.25

HONEYWELL Q611A1029/T882 & T8084 THERMOSTAT SUBBASE COOL/OFF/HEAT

$ 7.03 $ 4.21

Ruffneck XT-111 Explosion Proof Thermostat

$ 175.12 $ 105.07

Johnson Controls T9180 High-Resolution Color Touch Screen Digital Room

$ 293.37 $ 176.02

Service First OEM RLY03715 RELAY; START, REPLACES RLY01097

$ 57.19 $ 34.31

Johnson Controls A19bbc-2Cq Line Volt Mechanical Tstat, Open/Close On Rise, Spdt

$ 79.27 $ 47.56

NEW! INVENSYS ROBERTSHAW SILVER THERMOSTAT COVER, C4-42

$ 7.91 $ 4.74

CARRIER 2V781897 KAATX0301RPB 2 TON TXV KIT

$ 131.95 $ 79.17

EXAIR FENWAL 9017 THERMOSTAT with 4519 CAPACITOR

$ 30.8 $ 18.48

Johnson Controls D351AA-1C Digital Humidity Display Module (10-90% RH) D351

$ 43.99 $ 26.39

Honeywell THM5320R1000 RF Equipment Interface Module

$ 77 $ 46.2

7 Honeywell MP953C 1000 2 Pneumatic Actuators

$ 105.6 $ 63.35

Johnson Controls TEC3622-13-000 24VAC 2 Stage Hardwired Low Voltage Thermostat

$ 114.39 $ 68.63

Johnson Controls T58ea-1C Low Voltage Thermostat , Hardwired , 24Vac

$ 123.2 $ 73.92

Central Boiler E-Classic / Edge 100 Ft. 3-Conductor Shielded Cable #8200012

$ 131.95 $ 79.17

SIEBE/SCHNEIDER VS-7213-814-4-8 / 1 INCH NPT / 3 WAY VALVE __lvr

$ 39.6 $ 23.76

Parker Oe-20-Vx100 Themostatic Expansion Valve,20 Tons

$ 288.66 $ 173.19

Honeywell PLS750C1000 Timer Switch with Sunrise Sunset Single or 3 Way

$ 31.51 $ 18.9

ASE rain snow sensor controller DS-2C Intertek 2175102

$ 175.12 $ 105.07

T244 Maxitrol Selectrastat 55-90F Wall Mnt OEM T244

$ 233.15 $ 139.89

USED RITTAL TEMPATURE CONTROL RITCUSR001

$ 176 $ 105.6

Fenwal Detect-A-Fire 12-E27121-000-04 190F new Free shipping

$ 132 $ 79.2

STE302R2W+ Thermostat Relay 3kW/240V

$ 51.89 $ 31.13

Johnson Controls A19eaf-2C Line Volt Mechanical Tstat, Open/Close On Rise,

$ 97.22 $ 58.33

Athena Controls 8000-D Temperature Controller 0-1000f 120/240v-ac

$ 81.77 $ 49.06

LENNOX Thermostat 24V HEAT COOL W SUBBASE Mercury

$ 17.55 $ 10.53

Siebe Invensys T12-3011 Thermostat - NOS

$ 47.51 $ 28.5

Johnson Controls T-4752-205 Pneumatic Thermostat, Single Temperature, Heating

$ 149 $ 89.4

HONEYWELL TP970A 1038 Pneumatic Thermostat modernization Kit

$ 26.39 $ 15.83

Johnson Controls A19adb-39C Line Volt Mechanical Tstat, Open On Rise, Spst

$ 167.24 $ 100.34

Johnson Controls T-4002-201 Direct Acting Pneumatic Thermostat

$ 37.84 $ 22.7

NEW 46-1373 Electric Thermostat, SELCO, TEMP 0-250'F Crescor 0848-007 621

$ 87.91 $ 52.74

Trane CO2 Demand Controlled Ventilation Wall Sensor X13790422-010 41904100

$ 104.71 $ 62.82

Fenwal Thermostat Cat. No. 20470-0

$ 79.19 $ 47.51

1 NEW THERMON B7-15140 EXPLOSION PROOF THERMOSTAT 15-140F, 22A NNB *MAKE OFFER*

$ 175.99 $ 105.59

Honeywell TP970A2038 TP970 Series Thermostat Modernization Kit

$ 67.32 $ 40.39

Johnson Controls T701dfp-4 Fan Coil Thermostat,4" W,3 Switches

$ 110.64 $ 66.38

Dayton 6Edz6 Low Voltage Thermostat , 7 Or 5-2 Programs, 3 H 2 C,

$ 169.78 $ 101.87

HTC621W 120V/240V Dig 7 DayThermostat

$ 50.48 $ 30.29

Emerson 152-10 Line Volt Mechanical Tstat, Open On Rise, Box Or Flush To Wall,

$ 155.23 $ 93.13

RobertShaw Automatic Setback Econotrol Thermostat T31-1042 VTG Rare New In Box

$ 66 $ 39.6

BASO C664FGA-1C Control Replaces BG1600M11er-1ADC

$ 104.72 $ 62.83

JOHNSON CONTROLS A19BAC-1C SPACE THERMOSTAT RANGE - 30 / 110 DEG F - STYLE 3

$ 50.89 $ 30.53

THERMOSTAT JOHNSON CONTROLS T-5210-1113 T52101113 BULB & CAPILLARY -40 TO 160°F

$ 114.39 $ 68.63

Honeywell XFR824A Digital Output Control Ships on the Day of Purchase

$ 201.52 $ 120.91

MASTERCOOL THERMOSTAT ADOBE AIR RCT-1000 ARCTIC STAT

$ 12.32 $ 7.39

EPETP8S 22A SPDT Ex Proof Thermostat

$ 275.64 $ 165.38

Parker Ebse8vx100 Themostatic Expansion Valve,7 1/2-8 Tons

$ 225.67 $ 135.4

Johnson Controls V-9999-613 Ring Pack Packing Kit

$ 50.38 $ 30.23

THERMOSTAT HONEYWELL TP972A-2010 DIRECT REVERSE HEATING PNEUMATIC PROPORTIONAL

$ 87.99 $ 52.79

Johnson Controls T-8000-3 Proportional Action Thermostat 0-120f

$ 373.76 $ 224.25

1999 Vintage Hunter Thermostat Replacement (Model 40070A)

$ 15.83 $ 9.49

Johnson Controls A421abg-02C Electronic Temperature Control, Open/Close On

$ 85 $ 51

Johnson Controls A28AA-4C 2 Stage Space Thermostat 30-110 F New (G69)

$ 105.59 $ 63.35

Pro1 Iaq T731w Low Voltage Thermostat , 2 H 1 C, Hardwired/Battery , 24Vac

$ 135.82 $ 81.49

Siemens Smart Thermostat RDS120 - Black - Residential & Light Commercial

$ 148.72 $ 89.23

THERMOSTAT POWERS SIEMENS 134-1700 BUILDING TECH PNEUMATIC LOW TEMPERATURE 15-55

$ 61.59 $ 36.95

Honeywell H46C 1000 Wall Mounted Humidistat

$ 43.99 $ 26.39

Peco Tf115-023 Line Voltage Thermostat, -30 Degrees To 100 Degrees F, Spdt

$ 50.99 $ 30.59

JOHNSON CONTROLS A19EBB-1C Line V Mechanical Tstat,24 to 600VAC,16A

$ 106.72 $ 64.03

NEW BARKSDALE EXPLOSION PROOF CHEMELEX CONTROL THERMOSTAT E507S

$ 65.97 $ 39.58

CHROMALOX EMTI-375VWXX Immersion heater element 19 1/2" long element 2" tested!

$ 308 $ 184.8

Jumo EM-2 Thermostat, 0-200 Centigrade

$ 86.24 $ 51.74

Bradley S65-171 Thermostat Kit

$ 142.48 $ 85.48

VG7000-1015 Johnson Controls 3-6,4-8,&9-13 V3801 Spring Kit OEM VG7000-1015

$ 50.99 $ 30.59

HONEYWELL C7027A-1049 MINIPEEPER UV SENSOR 1/2" SIGHT PIPE 0-215 DEGREES F *FSHP

$ 93.23 $ 55.94

T498A1810 Brush Gold SPST Thermostat

$ 44.52 $ 26.71

Johnson Controls C450rcn-3C Control Module, -40 Degrees To 250 Degrees F, Spdt,

$ 209.28 $ 125.56

C7089U1006 C7089U-1006 Honeywell Outdoor Sensor For Vision Pro Thermostat

$ 42.22 $ 25.33

Emerson 152-9 Line Volt Mechanical Tstat, Open On Rise, Box Or Flush To Wall,

$ 147.89 $ 88.73

Honeywell Th1110dv1009/U Vertical Non-Programmable Thermostats , 1 H 1 C,

$ 35.05 $ 21.03

AET9DWTS 125 to 277V DPST Thermostat

$ 39.73 $ 23.83

Pro1 Iaq T721 Non-Programmable Thermostat , 2 H 1 C, Wall Mount,

$ 49.49 $ 29.69

Lux Psm40sa Heating/Cooling Mechanical Thermostat , 1 H 1 C, Wall Mount, 24Vac

$ 20.68 $ 12.4

Johnson Controls T-4506-217 Dual Day-Night Room Thermostat 55-85° F NOS

$ 43.99 $ 26.39

Johnson Controls Vg1245bg Ball Valve,2 Way,Ss Trim,(F)Npt 3/4

$ 63.48 $ 38.08

TG1 Plastic Thermostat Guard

$ 44.01 $ 26.41

White Rodgers B30 Easy to Use Mechanical Single Pole Line Voltage Thermostat

$ 20.11 $ 12.07

Steco KT011409 Compact Thermostat 32-140f 120v 15a

$ 15.83 $ 9.49

Qmark HBBT2 Thermostat

$ 39.4 $ 23.64

New P/N ED-234-02 01-100V10-00074 Thermostat Probe Sensor 56919-01

$ 24.63 $ 14.77

Daiken, Outside Air Sensor, Pt# 073007303, 10K Ohms, 30 Feet Long, New

$ 43.99 $ 26.39

MARLEY M602 ELECTRIC LINE VOLTAGE WALL THERMOSTAT 22A @ 120/240V - SEALED BOX

$ 17.59 $ 10.55

5 pcs lot Mears M602 Thermostat ivory/almond Excellent Condition with w/connect

$ 74.8 $ 44.88

Johnson Controls Thermostat T-4002-202

$ 37.83 $ 22.69

VT7200C5031B Schneider Electric Zone Bacnet 2On/Off Or Fltg OEM VT7200C5031B

$ 281.55 $ 168.93

Honeywell Home AM100C-US-1LF Brass 1/2" Union Sweat Thermostatic Mixing Valve

$ 134.49 $ 80.69

Johnson Controls Tq-6000-1 Temperature Sensor,Platinum,Black

$ 154.88 $ 92.92

Johnson Controls T-3111-1 Pneumatic Thermostat, Dual Temperature, Heating And

$ 256.88 $ 154.13

Johnson Controls VG1245BNH923GGA BALL Valve NEW IN BOX SEALED

$ 176 $ 105.6

Johnson Controls T-4506-201 Pneumatic DA Horizontal Dual Thermostat 55 to °85 F

$ 50.11 $ 30.06

NEW, VERIS, Z2011652-0H, HW SERIES, WALL HUMIDITY SENSOR, 2%, 10K THERM. (24D-3)

$ 86.2 $ 51.72