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  Home > Repair Parts > Backflow Parts & Kits > Repair Parts for Febco Backflow > Febco 765 Repair Parts >

  Febco 905-211 Replacement Bonnet/Poppet Kit for 0.5 and 0.75 in. PVB
Febco FE905-211 - 1/2 and 3/4 inch PVB Replacement Bonnet & Poppet Kit
 



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Product Code: FE905-211
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Febco® FE905-211 - 1/2" - 3/4" Replacement Bonnet and Poppet Kit
Febco® FE905-211 - 1/2" - 3/4" Replacement Bonnet and Poppet Kit


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The Febco® FE905-211 is the Replacement Bonnet and Poppet Kit for Febco 1/2 - 3/4 inch Pressure Vacuum Breaker Assemblies.

Here are Two Ways to Determine the Size Kit You Need:

  1. Measure across the bottom of the Poppet (item 12 in picture above); the distance across the bottom of the Poppet will determine which size kit you need:
    1/2" & 3/4" Kits: Poppet measures 1- 1/8" to 1- 3/16" across the bottom (diameter).
    1" & 1-1/4" Kits: Poppet measures 1- 7/8" across the bottom (diameter).
    1-1/2" & 2" Kits: Poppet measures 3- 7/16" across the bottom (diameter).

  2. Measure across the bottom of the Bonnet Assembly; the distance across the bottom of the Bonnet Assembly (threaded part) will determine which size kit you need:
    1/2" & 3/4" Kits: Bonnet Assembly measures 1- 5/16" across the bottom (diameter).
    1" & 1-1/4" Kits: Bonnet Assembly measures 2- 3/16" across the bottom (diameter).
    1-1/2" & 2" Kits: Bonnet Assembly is made of brass and measures 5- 1/8" across the bottom (diameter).

90% of the Pressure Vacuum Breakers (PVB) installed for a typical residential home are 1" PVB's

How to Replace the Bonnet and Poppet (you should always change both):

  • Turn off the water supply (Warning: Failure to Assure the Water Pressure is Relieved can cause Harm!)
  • Close water supply side ball valve first
  • Go to the sprinkler controller and manually start each zone or section valve by manually starting the sprinkler system. This will relieve the water pressure in the PVB. Then turn off the manual operation of the sprinkler system.
  • Close second ball valve (on outlet side of PVB)
  • Make sure that you have relieved water pressure by opening test cocks on side of PVB
  • Place large O-Ring (included in kit) around Bonnet
  • Apply lubricant (included in kit) to gasket
  • Fit (slide it onto) Poppet on brass guide stem of Bonnet
  • Thread Bonnet into PVB unit (hand tight only)
  • Replace Canopy and tighten nut on top of canopy using a wrench
  • Turn on the water supply
  • Open water supply side ball valve first and rapidly
  • Open second ball valve

Kit 905-211 includes the Bonnet and Poppet Assemblies for both 1/2" and 3/4" Pressure Vacuum Breakers

905-212 includes the Bonnet and Poppet Assemblies for both 1" and 1 1/4" Pressure Vacuum Breakers

Repair Parts for FEBCO® 795-075 Pressure Vacuum Breaker Assembly:




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