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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
$9.71
$8.74
HYDROFIT 1/4" Tube x 3/4" Female NPT Hose Connector – HDF-BF0412 This high-quality adapter connects a 1/4" tube to a 3/4" female NPT (National Pipe...
View full detailsSale
$9.71
$8.74
Sale
$92.05
$82.85
Aquatrol AT-0844BK-25T 8 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black
Sale
$92.05
$82.85
Sale
$2.33
$2.10
Replacement PR Button Kit for the Hydronix HF45 filters. Made from durable materials for durability. This replacement PR Button Kit comes with all ...
View full detailsSale
$2.33
$2.10
Sale
$40.42
$36.38
The Hydronix HF45-10BLBK15 filter housing accepts 10 x 4.5-inch filters and is ideal for use in residential, commercial, and light industrial appli...
View full detailsSale
$40.42
$36.38
Sale
$89.99
$81.00
Aquatrol AQT-MSV-1 Manual Water Softener Valve – 1" Ports, 2.5" Base The Aquatrol AQT-MSV-1 Manual Water Softener Valve is a high-quality, manually...
View full detailsSale
$89.99
$81.00
Sale
$180.41
$162.37
Aquatrol AQT-HL-7162 Bottom HUB Distributor – 2" Port, 6 Laterals for 30" Tanks The Aquatrol AQT-HL-7162 Bottom Mount Hub & Lateral Distributor...
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$180.41
$162.37
Sale
$80.00
$72.00
Brine Valve Assembly with 3/8" Quick Connect Line Port. Fits PRO+AQUA Softener and Filter Valves.
Sale
$80.00
$72.00
Sale
$149.99
$135.00
The T1-304-34 is a versatile filter designed for a wide range of applications. Crafted from robust 304 stainless steel, it ensures durability and c...
View full detailsSale
$149.99
$135.00
Sale
$238.20
$214.38
The HF4510SS-10 is a dependable filter suitable for various filtration applications. Constructed from durable 304 stainless steel, it offers corros...
View full detailsSale
$238.20
$214.38
Sale
$1.30
$1.17
Sale
$1.30
$1.17
Sale
$1.91
$1.72
Replacement PR Button Kit for the Hydronix HF2, HF3 and HF5 filters. Made from durable materials for durability. This replacement PR Button Kit com...
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$1.91
$1.72
Sale
$299.95
$269.96
The T1-304-34-222 is a versatile and reliable filter designed for diverse filtration needs. Crafted from durable 304 stainless steel, it ensures lo...
View full detailsSale
$299.95
$269.96
Sale
$152.99
$137.70
The T1-304-10 is a dependable filter suitable for various filtration applications. Constructed from durable 304 stainless steel, it offers corrosio...
View full detailsSale
$152.99
$137.70
Sale
$299.95
$269.96
The T1-304-10-222 is a durable 304 stainless steel temperature control valve designed to regulate the flow of liquids. With a flow capacity of 7 GP...
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$299.95
$269.96
Sale
$72.95
$65.66
Hydronix HF45-10CLBK15 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1.5” Ports The Hydronix HF45-10CLBK15 is a 10” Clear Big Blue (BB) W...
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$72.95
$65.66
Sale
$1.60
$1.44
The Hydrofit NSF 1/2" Quick Connect x 3/8" MNPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fit...
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$1.60
$1.44
Sale
$1.60
$1.44
HYDROFIT 1/4" Tube x 1/4" Tube x 1/4" Tube Two-Way Splitter (HDF-TW04)Efficient Tube-to-Tube Water Line Splitter The HYDROFIT HDF-TW04 is a 1/4" t...
View full detailsSale
$1.60
$1.44
Aquatrol AT-1665BK-25T 16 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black
Out of stock
Sale
$362.60
$326.34
Aquatrol AT-1665BK-25T 16 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black
Sale
$362.60
$326.34
