- Hydronix FW-3 Spanner Wrench for 4.5" O.D. Filter Housing:
- The FW-3 Wrench can be use to loosen filter housing sumps when changing filters. NEVER use a wrench to tighten the housings, or you may over tighten and damage the o-ring. Only tighten by hand.
- The spanner wrench has four teeth.
- This FW-3 wrench fits many Hydronix, Pentek, Culligan, Ametek, American Plumber, and US Filter Plymouth whole house big blue water filter housings.
- Hydronix FW-3 Big Blue Spanner Wrench Specs:
- Overall Width: 7.5"
- Inside Diameter: 6.5" (Tooth to Tooth: 6")
- Handle Width: 1.5"
- Wrench Thickness: 0.5"
- Use FW-3 Hydronix Housing Wrench With:
- Use with #20 Big Blue Whole House Housings
- American Plumber W2010-PR / 152015 Whole House Housings
- American Plumber W2015-PR / 152017 Whole House Housings
- American Plumber WWHC / 152022 Whole House Housing Set
- Pentek 150237, 150239, 150469 Whole House Housings
- Pentek BBFS-22 Whole House Housing Set
- Pentek BBFS-222 Whole House Housing Set
- The Hydronix SW-3 Housing Wrench Is Compatible With:
- American Plumber 144368 Housing Wrench
- American Plumber / Culligan / Pentek SW-4 Housing Wrench
- Ametek Kleen-Plus 144368 Housing Wrench
- Culligan 144368 Housing Wrench
- Pentek 144368 Housing Wrench