3 Zone Valve Relay Control (AZ-3)

Related products

• Remove from Wishlist
  Out of stock

  

  SKU:3309

  Hoffman #40, 1/8″ Radiator Steam Air Valve

  $39.64

    Float-type vent For ordinary one-pipe system that doesn’t require proportional venting Single non-adjustable port 1⁄8″ NPT angle connection Maximum operating pressure 6 psig (0.4 bar) Maximum pressure 10 psig (0.7 bar) 0/5 (0 Reviews)

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:4826

  High Limit Immersion Aquastat (200°F)

  $108.97

  Immersion type controllers for hydronic heating systems that turn off the burner whenever the boiler water temperature rises to the setpoint. Vertical mounting.

  Read more
• Remove from Wishlist
  Out of stock

  

  SKU:6622

  Pressure Switch 3-21″BreakOnFall M/R 1/4″NPT

  $119.32

  Used in positive-pressure or differential-pressure systems to sense gas or air pressure changes.

  Read more
• Remove from Wishlist
  Out of stock

  

  SKU:3995

  Standard Non-Programmable Thermostat (Model T834N1002)

  $41.25

  Integrated thermometer and temperature setting scale Precise Snap-action switch Mount directly on wall or outlet box Includes dealer logo pocket 0/5 (0 Reviews)

  Read more
• Remove from Wishlist
  Out of stock

  

  SKU:5329

  Caleffi 3 Zone Expandable Switching Relay w/ Priority (ZSR103)

  $204.26

  The ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:6733

  T6 Pro Programmable Thermostat, 3H/2C Heat Pump, 2H/2C Conventional (Model TH6320U2008)

  $155.66

  The T Series programmable thermostat streamlines everything from product selection and installation to customer service and support. With a standard footprint and simple interface, the T Series will enhance the entire thermostat experience for you and your customers alike

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:6561

  6 Zone Expandable Switching Relay w/ Priority (ZSR106)

  $285.32

  The ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:600

  Standard Pilot Gas Valve – 24V – 3/4″ x 3/4″ Inlet/Outlet Size (Model V800A1591)

  $439.00

  Used on gas fired standing pilot appliances with 30 mV thermocouple. These gas controls include a manual gas valve, safety shutoff, single millivoltage automatic operator, and pressure regulator, pilot gas filter and flow adjustment, pressure tapping, and thermocouple connector.

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:4983

  Gas Water Heater Control (Nat Gas)

  $91.28

  For Replacement of Standard Gas Water Heater Controls With Built-In E.C.O. (Energy Cut Off)

  Read more
• Remove from Wishlist
  Out of stock

  

  SKU:4972

  7 Day Programmable Thermostat (Model PSPA711)

  $66.47

  Autochangeover Fully Programmable IAQ Clean Cycle « Intermittent Fan Programmable Auto Changeover Dead-Band (1F to 6F) 7 Day Programming – 4 Periods Per Day Easy Programming with Lux Speed Dial Dual Power – System or Battery Powered with Battery Free Memory Storage Programmable Filter Timer with Change Filter Indicator Temporary Override is CAT24 Compliant Adjustable …

  7 Day Programmable Thermostat (Model PSPA711)Read More

  Read more