Honeywell NK300S-100

Honeywell NK300S-100 Brass Combination Boiler Feed Valve, 1/2 Inch, Sweat x Thre

Honeywell NK300S-100

The NK300S is a (re)filling combination valve that contains an integrated pressure reducing valve, strainer, double check backflow preventer with air vent (to protect potable water supply against back flow of heating water into supply pipe), (2) shut-off ball valves, pressure gauge, and conveniently located test ports for easy inspections and check out. All the needed devices for refilling a heating system are contained.

Brand Name      :      Honeywell
Connection Type      :      Sweat x Threaded
Dimension      :      7.48 Inch Height
Flow Rate      :      16 gpm at 22 psi
Item Name      :      Combination Boiler Feed Valve
Material      :      Brass
Nominal Size      :      1/2 Inch
Pressure Rating      :      10 - 58 psi
Seal Material      :      NBR and EPDM
Series      :      NK300S
Temperature Rating      :      33 - 140 deg F Ambient, 180 deg F Fluid
  • Optimal protection of the potable water supply system
  • Pressure reducing valve with inlet pressure balancing - inlet pressure fluctuation does not influence the outlet pressure
  • Outlet pressure adjustable and directly visible on the pressure gauge
  • Low maintenance effort - cartridge insert and valve insert are completely replaceable
  • Includes boiler fill shut off valve, double check backflow preventer with air vent and discharge connection, valve cartridge, integrated 200 micron strainer, a check valve, pressure reducing valve with valve insert, adjustment spring, and pressure gauge
  • Connection type includes sweat and threaded connections
  • Valve type - fast fill
  • Controlled fluid - water
  • Fiber-reinforced EPDM diaphragm
  • Stainless steel fine filter mesh filter interior parts