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Whole-house & Commercial Parts
Reliable water treatment depends on the small components you rarely see. Whole-house & Commercial Parts keep filtration systems and water softeners sealed, stable, and performing as designed. From a quick fix to a planned service interval, the right part supports a steady flow and helps prevent leaks. Everything is organized to make routine upkeep simpler for homes, offices, and job sites.
About Whole-house & Commercial Parts
Options in this collection focus on replacement parts and system components used across whole-house filtration, softeners, and light commercial setups. Common wear items include O-rings for standard and big blue housings, plus seals that maintain pressure and stop drips at the sump. Service and tank components include riser tubes, upper distributor baskets, and related pieces that support media beds and help backwash cycles work correctly. Control and electrical replacements are available too, such as power adapters, circuit boards, and turbine flow meter kits for popular valve platforms. Installation hardware rounds out the category with bypass valves, drain elbows, brine line quick-connect adapters, stainless lag screws, and flexible water lines for clean routing. Product pages highlight fitment details, sizes, and compatibility notes so you can confirm what matches your system before checkout.
Why choose iFilters for Whole-house & Commercial Parts?
iFilters brings parts, filters, and accessories into one place, which helps reduce time spent sourcing from multiple suppliers. Brands like PRO+AQUA, Hydronix, and Aquatrol appear alongside iFilters essentials, giving you practical choices for different budgets and service plans. Sorting tools and customer ratings make it easier to spot best sellers and proven replacements for repeat maintenance. In-stock visibility supports faster planning when a leaking seal or failed component needs a timely fix. Clear listings help you order with confidence and keep water quality consistent.
Shop whole-house & commercial parts online today!
Sale
$2.55
$2.30
Replacement O-Ring for the Hydronix HF45 filter housings. Made from durable Buna-N material. This replacement O-Ring is made to be used with the Op...
View full detailsSale
$2.55
$2.30
Sale
$24.95
$22.46
Aquatrol AQT-TH1-25 – 1" In & Out Water Softener or Filter Head for 2.5" Port Tanks The Aquatrol AQT-TH1-25 Water Softener & Filter Head is...
View full detailsSale
$24.95
$22.46
Sale
$11.19
$10.08
This 3 pack O-Rings by iFilters are used to seal water filter housings. It has an ID of 5-1/2" and OD of just over 5-3/4 inches and is made of nitr...
View full detailsSale
$11.19
$10.08
Sale
$89.99
$81.00
Pro+Aqua Electronic Turbine Flow Meter Complete Kit Fits Fleck 2510, 5600, SE/SXT Water Softener/Filter Control Valves
Sale
$89.99
$81.00
Sale
$19.99
$18.00
Pro+Aqua Control Valve Head Quick Connect Drain Elbow 1/2" for Softener and Filtration System
Sale
$19.99
$18.00
Sale
$6.99
$6.30
1" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.
Sale
$6.99
$6.30
Sale
$3.00
$2.70
Stainless steel lag bolts and washer set. Used with 10" or 20" Big Blue or similar filter housings that use 4.5" diameter filters. Each housing req...
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$3.00
$2.70
Sale
$1.42
$1.28
The Hydrofit NSF 3/8" Tube x 1/4" NPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fittings are ...
View full detailsSale
$1.42
$1.28
Sale
$87.28
$78.56
The Hydronix HF45-20CLBK10 (Note: Picture shows PR version, this one does not include the PR button) 20" Clear Filter Housing is an extra-wide hous...
View full detailsSale
$87.28
$78.56
Sale
$40.19
$36.18
The Hydronix HF45-10BLBK10PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...
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$40.19
$36.18
Sale
$55.98
$50.39
1" Stainless Steel Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100
Sale
$55.98
$50.39
Sale
$62.79
$56.52
The Hydronix HF45-10CLBK10PR 10" Clear Filter Housing (with Pressure Relief Button) is an extra-wide housing that accommodates large 4.5" wide filt...
View full detailsSale
$62.79
$56.52
