Skip to content
Free Shipping on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling.
Free Shipping on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling.

All

Filters

  • Steca Suntana Solar Thermal Controller

    Steca
    Original price $298.88 - Original price $298.88
    Original price
    $298.88
    $298.88 - $298.88
    Current price $298.88
    In stock

    SKU SUNTANA

    Product features Electronic speed control Maximum storage tank temperature Adjustable switch-on temperature difference Adjustable switch-off tempe...

    View full details
    Original price $298.88 - Original price $298.88
    Original price
    $298.88
    $298.88 - $298.88
    Current price $298.88
  • Steca Overvoltage Protection Unit

    Steca
    Original price $43.18 - Original price $43.18
    Original price
    $43.18
    $43.18 - $43.18
    Current price $43.18
    In stock

    SKU OP1

    Product features: Spring clamp terminals allow rapid and easy installation IP 65 jet waterproof casing Electronic protection functions Varistors p...

    View full details
    Original price $43.18 - Original price $43.18
    Original price
    $43.18
    $43.18 - $43.18
    Current price $43.18
  • Steca Immersion Replacement Sensor

    Steca
    Original price $34.09 - Original price $34.09
    Original price
    $34.09
    $34.09 - $34.09
    Current price $34.09
    In stock

    SKU PT1000

    For installation in immersion sleeves

    Original price $34.09 - Original price $34.09
    Original price
    $34.09
    $34.09 - $34.09
    Current price $34.09
  • Smart Plug US, Light Gray

    Salus
    Original price $54.11 - Original price $54.11
    Original price
    $54.11
    $54.11 - $54.11
    Current price $54.11
    In stock

    SKU SX885ZBLG

    The SALUS miniSmartPlug is small, yet powerful enough to provide simple on/off power control of devices using up to 15 A. • Small size not only kee...

    View full details
    Original price $54.11 - Original price $54.11
    Original price
    $54.11
    $54.11 - $54.11
    Current price $54.11
  • Salus TRV (Zigbee) Battery Operated Reduced Size

    Salus
    Original price $85.16 - Original price $85.16
    Original price
    $85.16
    $85.16 - $85.16
    Current price $85.16
    In stock

    SKU ARV10RFM-3

    The ARV10RFM-3 Zigbee Battery Radiator Actuator replaces the traditional wax element TRV actuator with a smart electrical device to open and close ...

    View full details
    Original price $85.16 - Original price $85.16
    Original price
    $85.16
    $85.16 - $85.16
    Current price $85.16
  • Salus Smart Relay - Low Voltage

    Salus
    Original price $57.66 - Original price $57.66
    Original price
    $57.66
    $57.66 - $57.66
    Current price $57.66
    In stock

    SKU SC824ZB

    Cost-effective low voltage switching relay wirelessly controls appliances or other devices from the SALUS Smart Home Application • Simple user inte...

    View full details
    Original price $57.66 - Original price $57.66
    Original price
    $57.66
    $57.66 - $57.66
    Current price $57.66
  • Johnson Controls Single Stage Digital Temperature Control

    Johnson Controls
    Original price $110.08 - Original price $110.08
    Original price
    $110.08
    $110.08 - $110.08
    Current price $110.08
    Out of stock

    SKU A421ABC-02C

    Features: Easy to Read Front Panel LCD:Displays the sensed temperature and control function status clearly, custom icons on the display indicate t...

    View full details
    Original price $110.08 - Original price $110.08
    Original price
    $110.08
    $110.08 - $110.08
    Current price $110.08
    Sold out
  • Johnson Controls Replacement PTC Sensor

    Johnson Controls
    Original price $39.50 - Original price $39.50
    Original price
    $39.50
    $39.50 - $39.50
    Current price $39.50
    Out of stock

    SKU A99BB-200C

    The A421 Series Electronic Temperature Controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. A421 Controls featu...

    View full details
    Original price $39.50 - Original price $39.50
    Original price
    $39.50
    $39.50 - $39.50
    Current price $39.50
    Sold out
  • Johnson Controls Remote Bulb Temperature Control

    Johnson Controls
    Original price $62.99 - Original price $62.99
    Original price
    $62.99
    $62.99 - $62.99
    Current price $62.99
    In stock

    SKU A19ABC-11

    Johnson Controls A19 Series temperature controls are designed to cover a broad range of uses for heating and general purpose requirements. Controls...

    View full details
    Original price $62.99 - Original price $62.99
    Original price
    $62.99
    $62.99 - $62.99
    Current price $62.99
  • Johnson Controls 3' Cable for Remote Mounting

    Johnson Controls
    Original price $49.61 - Original price $49.61
    Original price
    $49.61
    $49.61 - $49.61
    Current price $49.61
    Low stock

    SKU WHA29A-600R

    The WHA29A-600R (3 ft cable) allows the user flexibility in connecting numerous S350s remotely in a staging application and/or remote mounting of a...

    View full details
    Original price $49.61 - Original price $49.61
    Original price
    $49.61
    $49.61 - $49.61
    Current price $49.61
  • Johnson Controls Temperature Stage Module

    Johnson Controls
    Original price $100.25 - Original price $100.25
    Original price
    $100.25
    $100.25 - $100.25
    Current price $100.25
    In stock

    SKU S350AA-1C

    The S350 Stage Module is used in conjunction with the A350, A350E, A350P, and A350R series temperature controls to add multiple stage capability. T...

    View full details
    Original price $100.25 - Original price $100.25
    Original price
    $100.25
    $100.25 - $100.25
    Current price $100.25
  • Johnson Controls Hot Water Cutout Temperature Control

    Johnson Controls
    Original price $107.28 - Original price $107.28
    Original price
    $107.28
    $107.28 - $107.28
    Current price $107.28
    Low stock

    SKU A19ADB-2C

    Johnson Controls A19 Series temperature controls are designed to cover a broad range of uses for heating and general purpose requirements. Controls...

    View full details
    Original price $107.28 - Original price $107.28
    Original price
    $107.28
    $107.28 - $107.28
    Current price $107.28
  • Johnson Controls Digital Temperature Display

    Johnson Controls
    Original price $206.77 - Original price $206.77
    Original price
    $206.77
    $206.77 - $206.77
    Current price $206.77
    Low stock

    SKU D350AA-1C

    The Johnson Controls D350AA-1C Digital Display Module is used in conjunction with the A350, A350E, A350P, and A350R series temperature controls. A ...

    View full details
    Original price $206.77 - Original price $206.77
    Original price
    $206.77
    $206.77 - $206.77
    Current price $206.77
  • Ecobee Power Supply

    ecobee
    Original price $18.46 - Original price $18.46
    Original price
    $18.46
    $18.46 - $18.46
    Current price $18.46
    In stock

    SKU EB-PS-01

    Original price $18.46 - Original price $18.46
    Original price
    $18.46
    $18.46 - $18.46
    Current price $18.46
  • Caleffi ZSR series Pump Zone Control-6 zone pump control

    Caleffi
    Original price $314.21 - Original price $314.21
    Original price
    $314.21
    $314.21 - $314.21
    Current price $314.21
    In stock

    SKU ZSR106

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low volta...

    View full details
    Original price $314.21 - Original price $314.21
    Original price
    $314.21
    $314.21 - $314.21
    Current price $314.21
  • Caleffi ZVR Series Valve Zone Control-4 zone valve control

    Caleffi
    Original price $197.37 - Original price $197.37
    Original price
    $197.37
    $197.37 - $197.37
    Current price $197.37
    In stock

    SKU ZVR104

    Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 zones (model dependent...

    View full details
    Original price $197.37 - Original price $197.37
    Original price
    $197.37
    $197.37 - $197.37
    Current price $197.37
  • Caleffi ZVR Series Valve Zone Control-3 zone valve control

    Caleffi
    Original price $166.58 - Original price $166.58
    Original price
    $166.58
    $166.58 - $166.58
    Current price $166.58
    In stock

    SKU ZVR103

    Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 zones (model dependent...

    View full details
    Original price $166.58 - Original price $166.58
    Original price
    $166.58
    $166.58 - $166.58
    Current price $166.58
  • Caleffi ZSR series Pump Zone Control-4 zone pump control

    Caleffi
    Original price $256.58 - Original price $256.58
    Original price
    $256.58
    $256.58 - $256.58
    Current price $256.58
    In stock

    SKU ZSR104

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low volta...

    View full details
    Original price $256.58 - Original price $256.58
    Original price
    $256.58
    $256.58 - $256.58
    Current price $256.58
  • Caleffi ZSR series Pump Zone Control-3 zone pump control

    Caleffi
    Original price $219.47 - Original price $219.47
    Original price
    $219.47
    $219.47 - $219.47
    Current price $219.47
    In stock

    SKU ZSR103

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low volta...

    View full details
    Original price $219.47 - Original price $219.47
    Original price
    $219.47
    $219.47 - $219.47
    Current price $219.47
  • Azel 2 zone switching relay w/ priority protection, 24VAC output terminal

    Azel
    Original price $146.55 - Original price $146.55
    Original price
    $146.55
    $146.55 - $146.55
    Current price $146.55
    In stock

    SKU SP-82

    The i-Link series 2-zone circulator pump controller is operated by low voltage thermostats or any other low voltage controllers having an SPST swit...

    View full details
    Original price $146.55 - Original price $146.55
    Original price
    $146.55
    $146.55 - $146.55
    Current price $146.55
  • 24V RADIANT T-STAT AIR SENSOR

    TanklessWaterHeaters
    Original price $140.63 - Original price $140.63
    Original price
    $140.63
    $140.63 - $140.63
    Current price $140.63
    In stock

    SKU MTC39994UF

    MTC can be mounted in a standard single gang electrical box with a minimum width of 2-1/4" 

    Original price $140.63 - Original price $140.63
    Original price
    $140.63
    $140.63 - $140.63
    Current price $140.63
  • Aube Non-Programmable Heating Thermostat

    Honeywell
    Original price $64.15 - Original price $64.15
    Original price
    $64.15
    $64.15 - $64.15
    Current price $64.15
    In stock

    SKU TH135-01B

    Selectable temperature control gives thermostat flexibility to control a range of heating applications Comfort, economy and vacation presets enabl...

    View full details
    Original price $64.15 - Original price $64.15
    Original price
    $64.15
    $64.15 - $64.15
    Current price $64.15
  • 24V RADIANT T-STAT AIR & FLOOR

    TanklessWaterHeaters
    Original price $219.38 - Original price $219.38
    Original price
    $219.38
    $219.38 - $219.38
    Current price $219.38
    In stock

    SKU MTD39994UF

    Temperature Range (F): 40°F to 104°F Differential:  0.7°F Ambient Temperature: 32 to 122°F Height (Inches): 4.5" Width: 3" Voltage:  24v...

    View full details
    Original price $219.38 - Original price $219.38
    Original price
    $219.38
    $219.38 - $219.38
    Current price $219.38