800.880.9383
Mon - Fri 9am - 5pm PT
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
$62.79
$56.52
The Hydronix HF45-10CLBK34 (Note: Picture shows PR version, this one does not include the PR button) 10" Clear Filter Housing is an extra-wide hous...
View full detailsSale
$62.79
$56.52
Sale
$1.00
$0.90
The Hydrofit 1/4" Tube x 3/8" NPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fittings are desi...
View full detailsSale
$1.00
$0.90
Sale
$61.00
$54.90
Hydronix HF45 Series Commercial Filter Housings are high durability commercial filter housings for 20" length cartridges. HF45 Series housings have...
View full detailsSale
$61.00
$54.90
Sale
$23.99
$21.60
The HF4-10WHWH38 is a 10" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...
View full detailsSale
$23.99
$21.60
Sale
$9.98
$8.99
Sale
$62.79
$56.52
Hydronix HF45-10CLBK10 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1” Ports The Hydronix HF45-10CLBK10 is a 10" Clear Big Blue (BB) Wat...
View full detailsSale
$62.79
$56.52
Sale
$0.89
$0.81
The Hydrofit 3/8" Stem x 1/4" Male NPTF Male Stem Adapter is NSF approved and is designed for ease of use. Hydrofit Quick Connect Fittings are desi...
View full detailsSale
$0.89
$0.81
Sale
$1.60
$1.44
The Hydrofit NSF 1/2" Quick Connect x 1/2" MNPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fit...
View full detailsSale
$1.60
$1.44
Sale
$1.60
$1.44
The Hydrofit NSF 3/8" Tube x 3/8" NPT Male Connector Adapter is NSF-approved and are designed for ease of use. Hydrofit Quick Connect Fittings are ...
View full detailsSale
$1.60
$1.44
Sale
$1.99
$1.80
3/8" In/Out Female Quick Connect Elbow. These Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick co...
View full detailsSale
$1.99
$1.80
Sale
$87.28
$78.56
The Hydronix HF45-20CLBK15 (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
$299.94
$269.95
HydroScientific HF4520SS-10 – Stainless Steel High-Flow Filter Housing The HF4510SS-10 is a durable and reliable stainless steel filter housing des...
View full detailsSale
$299.94
$269.95
Sale
$4.99
$4.50
Sale
$40.19
$36.18
The Hydronix HF45-10BLBK34PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...
View full detailsSale
$40.19
$36.18
Sale
$39.67
$35.71
The Hydronix HF45-10BLBK10 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. It is made of ...
View full detailsSale
$39.67
$35.71
Sale
$45.00
$40.50
Hydronix MRH-BC-BOLT – Replacement Bolt & Nut for MRH Band Clamp Series Housings The Hydronix MRH-BC-BOLT is a replacement bolt and nut designe...
View full detailsSale
$45.00
$40.50
Sale
$52.49
$47.25
The Hydronix HF45-20BLBK34PR 20" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...
View full detailsSale
$52.49
$47.25
Sale
$98.95
$89.06
The Hydronix HF45-20CLBK34 (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
$98.95
$89.06
Sale
$1.99
$1.80
The Hydrofit 3/8" Tube x 1/2" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...
View full detailsSale
$1.99
$1.80
Sale
$39.67
$35.71
The Hydronix HF45-10BLBK34 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. It is made of ...
View full detailsSale
$39.67
$35.71
Sale
$40.94
$36.85
The Hydronix HF45-10BLBK15PR (with Pressure Relief Button) filter housing accepts 10 x 4.5 inch filters and is ideal for use in residential, commer...
View full detailsSale
$40.94
$36.85
Sale
$143.56
$129.21
Aquatrol AT-1252BK-25T 1252 Pg, 2.5" T, Standard Base, Black Part Number: AT-1252BK-25TDimensions: 12 x 52 inches (304 x 1320 mm)Connection: 2.5" T...
View full detailsSale
$143.56
$129.21
Sale
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black
in stock
Sale
$155.00
$64.52
Aquatrol AT-0717BK-25T 7 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black Aquatrol™ Pressure Tanks offer a reliable and cost-effect...
View full detailsSale
$155.00
$64.52
Sale
Sale
$6.99
$6.30
3/4" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.
Sale
$6.99
$6.30
