http://plumbingwithpex.com Thu, 02 Feb 2012 18:15:40 +0000 en hourly 1 http://plumbingwithpex.com/hoffman/4a-12-inch-x-34-inch-straight-steam-main-air-valve-401413/ http://plumbingwithpex.com/hoffman/4a-12-inch-x-34-inch-straight-steam-main-air-valve-401413/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/plumbing-talk/4a-12-inch-x-34-inch-straight-steam-main-air-valve-401413/
Product: 4A, 1/2-inch x 3/4-inch Straight Steam Main Air Valve
Manufacturer: Hoffman

Part Number: 401413

Price: $32.75

Free Shipping Eligible: No
Description: Air Valve (non-vacuum)

• Float-type thermostatic vent
• For residential or small one-pipe or two-pipe systems
• Single non-adjustable port
• 1⁄2" NPT female and 3⁄4" NPT male straight shank
• Install 6-10" (150-250mm) above horizontal return and 18" (450mm) above the boiler water line
• Maximum operating pressure 2 psig (0.13 bar)(Drop away pressure – maximum pressure against which the vent can open).
• Maximum pressure 10 psig (0.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/4a-12-inch-x-34-inch-straight-steam-main-air-valve-401413/feed/ 0 http://plumbingwithpex.com/hoffman/4-12-inch-x-34-inch-straight-steam-quick-valve-401416/ http://plumbingwithpex.com/hoffman/4-12-inch-x-34-inch-straight-steam-quick-valve-401416/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/4-12-inch-x-34-inch-straight-steam-quick-valve-401416/
  Product: 4, 1/2-inch x 3/4-inch Straight Steam Quick Valve
  Manufacturer: Hoffman
  
  Part Number: 401416
  
  Price: $43.95
  
  Free Shipping Eligible: No
  Description: Quick Valve
  • Thermostatic air vent
  • For steam systems and process equipment
  • Operates on temperature change only;
    does not close against water
  • Must be installed 6-10" (150-250mm) above horizontal
    return and 18" (450mm) above the boiler water line
  • 1⁄2" NPT female and 3⁄4" NPT male straight shank
  • Maximum operating pressure 25 psig (1.7 bar)*(Drop away pressure – maximum pressure against which the vent
    can open).)
  • Maximum pressure 25 psig (1.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/4-12-inch-x-34-inch-straight-steam-quick-valve-401416/feed/ 0 http://plumbingwithpex.com/hoffman/3-18-inch-x-14-inch-angle-steam-air-line-valve-401419/ http://plumbingwithpex.com/hoffman/3-18-inch-x-14-inch-angle-steam-air-line-valve-401419/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/3-18-inch-x-14-inch-angle-steam-air-line-valve-401419/
  Product: 3, 1/8-inch x 1/4-inch Angle Steam Air Line Valve
  Manufacturer: Hoffman
  
  Part Number: 401419
  
  Price: $64.95
  
  Free Shipping Eligible: No
  Description: Steam Air Line Valve
  • Thermostatic vent (no float)
  • For Air Line or Paul Systems
  • Inlet 1⁄8" NPT, outlet 1⁄4" NPT
  • Maximum operating pressure 25 psig (1.7 bar)* to vacuum (Drop away pressure – maximum pressure against which the vent
    can open).
  • Maximum pressure 25 psig (1.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/3-18-inch-x-14-inch-angle-steam-air-line-valve-401419/feed/ 0 http://plumbingwithpex.com/hoffman/1a-18-inch-adjustable-angle-steam-radiator-air-valve-401422/ http://plumbingwithpex.com/hoffman/1a-18-inch-adjustable-angle-steam-radiator-air-valve-401422/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/1a-18-inch-adjustable-angle-steam-radiator-air-valve-401422/
  Product: 1A, 1/8-inch Adjustable Angle Steam Radiator Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401422
  
  Price: $24.95
  
  Free Shipping Eligible: No
  Description: Air Valve (non-vacuum)
  • Float-type vent
  • Adjustable port for true proportional venting v 6 port settings from slow (1) to fast (6)
  • 1⁄8" NPT angle connection
  • Maximum operating pressure 11⁄2 psig (0.1 bar) (Drop away pressure – maximum pressure against which the vent can open).
  • Maximum pressure 10 psig (0.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/1a-18-inch-adjustable-angle-steam-radiator-air-valve-401422/feed/ 0 http://plumbingwithpex.com/hoffman/1b-14-inch-adjustable-straight-convector-air-valve-401425/ http://plumbingwithpex.com/hoffman/1b-14-inch-adjustable-straight-convector-air-valve-401425/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/1b-14-inch-adjustable-straight-convector-air-valve-401425/
  Product: 1B, 1/4-inch Adjustable Straight Convector Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401425
  
  Price: $36.95
  
  Free Shipping Eligible: No
  Description: Air Valve (non-vacuum)
  • Float-type vent
  • Adjustable port for true proportional venting –
    6 port settings from slow (1) to fast (6)
  • Telescopic siphon tube
  • 1⁄4" NPT straight shank
  • Maximum operating pressure 11⁄2 psig (0.1 bar)(Drop away pressure – maximum pressure against which the vent can open).
  • Maximum pressure 10 psig (0.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/1b-14-inch-adjustable-straight-convector-air-valve-401425/feed/ 0 http://plumbingwithpex.com/hoffman/74-12-inch-x-34-inch-straight-steam-unit-heater-air-valve-401429/ http://plumbingwithpex.com/hoffman/74-12-inch-x-34-inch-straight-steam-unit-heater-air-valve-401429/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/74-12-inch-x-34-inch-straight-steam-unit-heater-air-valve-401429/
  Product: 74, 1/2-inch x 3/4-inch Straight Steam Unit Heater Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401429
  
  Price: $68.35
  
  Free Shipping Eligible: No
  Description: Steam Unit Heater Air Valve
  • Float-type thermostatic vent
  • Single non-adjustable port
  • 1⁄2" NPT female and 3⁄4" NPT male straight shank
  • Install 6-10" (150-250mm) above horizontal return
    and 18" (450mm) above the boiler water line
  • Maximum operating pressure 35 psig (2.4 bar)*(Drop away pressure – maximum pressure against which the vent
    can open).
  • Maximum pressure 35 psig (2.4 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/74-12-inch-x-34-inch-straight-steam-unit-heater-air-valve-401429/feed/ 0 http://plumbingwithpex.com/hoffman/76-12-inch-x-34-inch-straight-main-steam-vacuum-valve-401432/ http://plumbingwithpex.com/hoffman/76-12-inch-x-34-inch-straight-main-steam-vacuum-valve-401432/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/76-12-inch-x-34-inch-straight-main-steam-vacuum-valve-401432/
  Product: 76, 1/2-inch x 3/4-inch Straight Main Steam Vacuum Valve
  Manufacturer: Hoffman
  
  Part Number: 401432
  
  Price: $113.95
  
  Free Shipping Eligible: No
  Description: Vacuum Valve
  • Float-type themostatic vent
  • For medium and large one-pipe vacuum systems
  • Single non-adjustable port
  • 1⁄2" NPT female and 3⁄4" NPT male straight shank
  • Install 6-10" (150-250mm) above horizontal return and
    8" (450mm) above the boiler water line
  • Maximum operating pressure 3 psig (0.2 bar)
  • Maximum pressure 15 psig (1.0 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/76-12-inch-x-34-inch-straight-main-steam-vacuum-valve-401432/feed/ 0 http://plumbingwithpex.com/hoffman/75-12-inch-x-34-inch-straight-steam-main-air-valve-401434/ http://plumbingwithpex.com/hoffman/75-12-inch-x-34-inch-straight-steam-main-air-valve-401434/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/75-12-inch-x-34-inch-straight-steam-main-air-valve-401434/
  Product: 75, 1/2-inch x 3/4-inch Straight Steam Main Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401434
  
  Price: $69.95
  
  Free Shipping Eligible: No
  Description: Air Valve (non-vacuum)
  • Float-type thermostatic vent
  • For medium and large systems
  • Single non-adjustable port
  • 1⁄2" NPT female and 3⁄4" NPT male straight shank
  • Maximum operating pressure: 3 psig (0.2 bar)(Drop away pressure – maximum pressure against which the vent can open).
  • Maximum pressure 15 psig (1.0 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/75-12-inch-x-34-inch-straight-steam-main-air-valve-401434/feed/ 0 http://plumbingwithpex.com/hoffman/75h-12-inch-x-34-inch-straight-steam-main-air-valve-401437/ http://plumbingwithpex.com/hoffman/75h-12-inch-x-34-inch-straight-steam-main-air-valve-401437/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/75h-12-inch-x-34-inch-straight-steam-main-air-valve-401437/
  Product: 75H, 1/2-inch x 3/4-inch Straight Steam Main Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401437
  
  Price: $79.85
  
  Free Shipping Eligible: No
  Description: Air Valve (non-vacuum)
  • Float-type thermostatic vent
  • For medium and large systems
  • Single non-adjustable port
  • 1⁄2" NPT female and 3⁄4" NPT male
    straight shank
  • Maximum operating pressure 10 psig (0.7 bar)(Drop away pressure – maximum pressure against which the vent can open).
  • Maximum pressure 15 psig (1.0 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/75h-12-inch-x-34-inch-straight-steam-main-air-valve-401437/feed/ 0 http://plumbingwithpex.com/hoffman/40-18-inch-angle-steam-radiator-air-valve-401440/ http://plumbingwithpex.com/hoffman/40-18-inch-angle-steam-radiator-air-valve-401440/#comments Fri, 25 Nov 2011 01:47:37 +0000 pexsupply111125 http://plumbingwithpex.com/hoffman/40-18-inch-angle-steam-radiator-air-valve-401440/
  Product: 40, 1/8-inch Angle Steam Radiator Air Valve
  Manufacturer: Hoffman
  
  Part Number: 401440
  
  Price: $12.95
  
  Free Shipping Eligible: No
  Description: Air Valve (non-vacuum)
  • 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)(Drop away pressure – maximum pressure against which the vent can open).
  • Maximum pressure 10 psig (0.7 bar)
  
  ]]> http://plumbingwithpex.com/hoffman/40-18-inch-angle-steam-radiator-air-valve-401440/feed/ 0