Whole House Water Filtration Systems
(75 products)
CANADIAN WATER TREATMENT
Whole House Water Filtration System from all the Major Manufacturers- Most relevant
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FiltersFilter & Sort
Pentair Inc.
151122 | O-Ring Pentek Big Blue
★★★★★(3)Sale price $1655 CAD Regular price $1934Unit price /UnavailableIn stock (44 units)Absolute H20
WW017 Filter Wrench Absolute H2O Black Housings
Sale price $1600 CAD Regular price $1900Unit price /UnavailableIn stock (10 units)Absolute H20
WW016 | O-Ring Absolute H2O Black Filter Housings
Sale price $399 CAD Regular price $499Unit price /UnavailableIn stock (6 units)Pentair Inc.
144368 | Filter Wrench Pentek Big Blue 20" Filter Housings | SW-4
Sale price $849 CAD Regular price $898Unit price /UnavailableIn stock (23 units)BII Boshart Industries Inc.
14SFHK-15 | Boshart 1.5" Sediment Filter Housing Kit
★★★★★(1)Sale price From $9280 CAD Regular price $9820Unit price /UnavailableViqua
OR40-50 | O-Ring AWP Housings | Viqua
Sale price $2056 CAD Regular price $2500Unit price /UnavailableIn stock (41 units)Pentair Inc.
150296 | Filter Wrench Pentek SW-3
Sale price $849 CAD Regular price $898Unit price /UnavailableIn stock (3 units)Viqua
WR40-50 | Filter Housing Wrench Viqua
Sale price $1599 CAD Regular price $1799Unit price /UnavailableVery low stock (1 unit)Pentair Inc.
150469 | Pentek 3/4" Big Blue 10" Filter Housing | O-Ring & Pressure Relief Valve
Sale price $7788 CAD Regular price $8241Unit price /UnavailableIn stock (22 units)Absolute H20
WW029 | Absolute H2O Set of 2 O-Rings | Double O-Ring Housing
Sale price $798 CAD Regular price $998Unit price /UnavailableIn stock (10 units)
Frequently Asked Questions
What size filter unit do I need for a whole house water filtration system?
For most whole house water systems, a good choice is the 4.5" Big Blue 10" or 20" units installed on the main plumbing entry to a home. The larger size allows higher flow and longer life for sediment and carbon cartridges.
Do I need a professional to install a whole house filtration system with these components?
If you’re comfortable with plumbing (cutting pipe, installing shut-off valves, using Teflon tape), you can often install a small whole house filtration system yourself. For well water or more complex cottage water filtration systems, many homeowners prefer a licensed plumber or water treatment professional.
How often should I change the filters inside these units?
It depends on water quality and usage, but for a typical whole home water filtration system in Canada:
- Sediment cartridges: replacement intervals of 3, 6 or 12 months
- Carbon cartridges: replacement intervals of 6–12 months
Replace sooner if you notice a drop in water pressure or a return of odour/taste.