Air Valve Key

Related products

• Remove from Wishlist
  Out of stock

  

  SKU:5024

  Pressuretrol Controller, Manual Reset, 2 psi to 15 psi

  $124.60

  Can be used with steam, air, noncombustible gases, and fluids noncorrosive to the sensing element. The L4079B PressureTrol® Limit Controls are high
  pressure limit switches that break electrical circuits when pressure rises to a preset value.

  Read more
• 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:4411

  1/8″ Auto Air Vent

  $8.25

  0/5 (0 Reviews)

  Add to cart
• Remove from Wishlist
  Out of stock

  

  SKU:2718

  Hoffman #79, 3/4″ Straight Water Main Vent Valve

  $159.50

  0/5 (0 Reviews)

  Add to cart
• 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:2884

  Aquastat w/Well and Adjustable Control Temperature from 5°F to 30°F

  $137.59

  Aquastat Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.

  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: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: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:569

  Standard Dual Standing Pilot Gas Valve – 3/4″ x 3/4″

  $108.81

  Used in gas-fired appliances with capacities up to 200 feet 3/hour at 1 inch wc pressure drop [5.7 meters3/hour at 0.25 kPa] on natural gas and includes a manual valve, safety shutoff, two automatic operators, and a pressure regulator.

  Read more