iSpring WGB32B 3-Stage Whole House vs iSpring WGB32B Heavy Metal Whole: Spec Comparison
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This comparison covers the ispring wgb32b commercial grade whole house vs wgb32b ks heavy metals systems. Both units share the same 15 GPM flow rate, 100,000-gallon capacity, and 1-inch NPT connections. They also use identical 20-inch housings and meet NSF/ANSI standards. The main difference lies in their filtration focus. One targets general chlorine and sediment removal for light commercial use. The other adds specific heavy metal reduction, including lead and mercury, for residential protection.
Key differences
| Aspect | iSpring WGB32B 3-Stage Whole House Filter | iSpring WGB32B Heavy Metal Whole House Filter |
|---|---|---|
| Primary Filtration Focus | Chlorine, sediments, tastes, and odors | Chlorine, lead, mercury, hydrogen sulfide, and heavy metals |
| Intended Use | Light Commercial | Not listed |
| Weight | 45 pounds | 52 pounds |
| Model Number | WGB32B | WGB32B-KS |
Which one should you choose?
Choose iSpring WGB32B 3-Stage Whole House Filter if
- You need a system rated for light commercial applications
- You want a lighter unit that weighs 45 pounds
- Your primary concern is chlorine and sediment reduction
Choose iSpring WGB32B Heavy Metal Whole House Filter if
- You specifically need to remove lead and mercury
- You want filtration for hydrogen sulfide and heavy metals
- You are filtering for a family of four in a residential setting
Verdict: Choose the WGB32B if your priority is light commercial durability and general chlorine removal. Select the WGB32B-KS if you need targeted protection against heavy metals like lead and mercury. Both systems offer the same flow rate and maintenance schedule for your whole house.
Filter Media and Target Contaminants
Filtration stages
Both systems use a three-stage design with 20-inch by 4.5-inch housings. The iSpring WGB32B Commercial-Grade system starts with a 5-micron sediment filter. Its second and third stages are CTO carbon block filters made from coconut shell carbon. This setup targets chlorine, sediments, rust, tastes, and odors. The iSpring WGB32B Heavy Metals system also begins with a 5-micron polypropylene sediment filter. However, its second stage is the FG25B-KS compound filter. This specific media removes lead, mercury, hydrogen sulfide, and heavy metals. Both systems conclude with a CTO carbon block filter. The key difference is the specialized second stage in the Heavy Metals model for targeting toxic metals.
Target contaminants
You need to choose based on what contaminants are in your water. The WGB32B Commercial-Grade system is designed to eradicate up to 99% of chlorine, along with sediments, rust, and herbicides. It does not specifically list heavy metal removal in its primary features. In contrast, the WGB32B Heavy Metals system explicitly targets lead, mercury, hydrogen sulfide, and heavy metals in its second stage. It also removes pesticides and other harmful chemicals. If your main concern is general chlorine and sediment reduction, either works. If you need protection against heavy metals like lead and mercury, the Heavy Metals model is the necessary choice.
Certification
Both units meet NSF/ANSI standards, which provides a baseline for performance and safety. The WGB32B Commercial-Grade system notes that its carbon block filters are tested by a third party to meet these standards. The WGB32B Heavy Metals system states that both its sediment and CTO carbon block filters meet NSF/ANSI standards. While both adhere to the same certification framework, the Heavy Metals model highlights that its specific compound filter is part of this certified protection against heavy metals. Neither system reduces Total Dissolved Solids, retaining healthy minerals in both cases. The certification level is comparable, but the specific contaminant targets differ significantly.
Dimensions and weight
Physical installation space and weight capacity are practical considerations for your home. The WGB32B Commercial-Grade system measures 24.3 inches in length, 7.75 inches in width, and 27.8 inches in height. It weighs 45 pounds. The WGB32B Heavy Metals system has slightly different dimensions. It measures 24.5 inches in length, 8 inches in width, and 28 inches in height. It also weighs more, at 52 pounds. The difference is small, but the Heavy Metals model is slightly bulkier and heavier. If you have tight clearance under a sink or in a utility closet, the Commercial-Grade version offers a marginally smaller footprint.
Flow rate
Water pressure and volume are critical for whole house systems. Both the WGB32B Commercial-Grade and the WGB32B Heavy Metals systems boast a maximum flow rate of 15 gallons per minute. This high flow rate ensures that your household appliances and fixtures receive adequate water supply even during peak usage times. Since both units share this specification, neither has an advantage regarding water volume. You can expect similar performance in terms of how much water flows through the system simultaneously. The 1-inch NPT inlet and outlet connections on both models support this robust flow capability without restriction.
Which Whole House System Fits Your Needs
Homeowners with heavy metal contamination concerns
The WGB32B-KS targets lead, mercury, and hydrogen sulfide. Its second-stage compound filter removes these specific heavy metals while retaining healthy minerals. If your water source contains elevated heavy metal levels, this specialized media provides the protection your family needs. The system maintains a 15 GPM flow rate for whole-house coverage.
Users seeking broad chlorine and sediment reduction
The Commercial-Grade model focuses on chlorine reduction up to 99%. It uses standard CTO carbon block filters in the second and third stages. This setup effectively removes sediments, rust, tastes, and odors. It is ideal if your primary goal is general purification without targeting specific heavy metals, while keeping TDS levels stable.
Those prioritizing lower weight and simpler setup
This model weighs 45 pounds, which is lighter than the 52-pound Heavy Metal variant. Both systems offer DIY installation with 1-inch NPT connections. The lighter weight may make handling and mounting easier during your initial setup. You still get the same 100,000-gallon capacity and robust 15 GPM flow rate for daily use.
The products compared
iSpring WGB32B 3-Stage Whole House Filter
Best for: High-flow chlorine reduction in light commercial settings
- Filtration Stages
- 3
- Flow Rate
- Up to 15 GPM
- Inlet/Outlet Size
- 1" NPT
- Filter Micron Rating
- 5 microns
- Contaminants Reduced
- Chlorine, sediment, rust, odor
- Filter Life
- 100,000 gallons, 1 year
View on Amazon: iSpring WGB32B 3-Stage Whole House Filter Affiliate link
The iSpring WGB32B is a commercial-grade whole house system designed for light commercial use. It delivers up to 15 GPM flow rate through three 20-inch housings. The system removes up to 99% of chlorine, sediments, rust, and odors. It features a 5-micron sediment pre-filter and coconut shell carbon blocks. With a 100,000-gallon capacity, it suits high-demand households or small businesses needing robust chlorine reduction.
Pros
- High 15 GPM flow rate for strong water pressure
- 100,000-gallon filter capacity reduces maintenance frequency
- Removes up to 99% of chlorine and sediments
- NSF/ANSI tested coconut shell carbon blocks
Cons
- Heavy 45-pound build requires sturdy mounting
- Large 20-inch housing size needs significant space
- Does not remove dissolved solids or TDS
Good fit if
- You need high flow for large homes or light commercial use
- You want to remove chlorine taste and odor
- You prefer long filter life with 100,000-gallon capacity
Skip if
- You need to reduce dissolved solids or TDS
- You have limited space for large 20-inch housings
- You require a compact under-sink system
Verdict: iSpring WGB32B Commercial Whole House Filter is a high-capacity solution for users prioritizing flow rate and chlorine removal. It fits light commercial settings or large homes where maintaining healthy minerals is preferred over TDS reduction.
iSpring WGB32B Heavy Metal Whole House Filter
Best for: homes needing heavy metal and sediment removal
- Flow Rate
- Up to 15 GPM
- Inlet/Outlet Size
- 1" NPT
- Filter Micron Rating
- 5 micron
- Contaminants Reduced
- Lead, chlorine, mercury, sediments
- Filter Life
- Up to 12 months or 150K gallons
- Housing Size
- 20" x 4.5"
View on Amazon: iSpring WGB32B Heavy Metal Whole House Filter Affiliate link
The iSpring WGB32B-KS targets heavy metals and sediment for whole-house protection. It features a 15 GPM flow rate and 5-micron pre-filtration. The system includes a compound filter for lead and mercury, plus a carbon block for chlorine. It holds 100,000 gallons of capacity. This unit suits homes needing chemical reduction without removing healthy minerals.
Pros
- 15 GPM flow rate for strong water pressure
- NSF/ANSI certified compound filter reduces lead and mercury
- 100,000-gallon filter life for long-term use
- 5-micron sediment pre-filter protects downstream components
Cons
- Does not reduce Total Dissolved Solids (TDS)
- Heavy at 52 pounds requiring sturdy mounting
- No remote monitoring or smart connectivity features
Good fit if
- You need to remove heavy metals like lead and mercury
- You want to retain healthy minerals in your water
- You require high flow rates for multiple fixtures
Skip if
- You need to reduce Total Dissolved Solids (TDS)
- You prefer a compact unit under 40 pounds
- You want smart home integration or app control
Verdict: iSpring WGB32B-KS Heavy Metals System effectively removes harmful chemicals while keeping beneficial minerals. It is ideal for households prioritizing heavy metal reduction and high flow capacity over mineral removal.
Specifications side by side
| Spec | iSpring WGB32B 3-Stage Whole House Filter | iSpring WGB32B Heavy Metal Whole House Filter |
|---|---|---|
| Filtration Stages | 3 | not stated |
| Flow Rate | Up to 15 GPM | Up to 15 GPM |
| Inlet/Outlet Size | 1" NPT | 1" NPT |
| Filter Micron Rating | 5 microns | 5 micron |
| Contaminants Reduced | Chlorine, sediment, rust, odor | Lead, chlorine, mercury, sediments |
| Filter Life | 100,000 gallons, 1 year | Up to 12 months or 150K gallons |
| Housing Size | 20" x 4.5" | 20" x 4.5" |
| Certification | NSF/ANSI | NSF/ANSI |
| Installation Type | Whole House | Whole House |
| Features | Chlorine Reduction, Sediment Filter | Chlorine Reduction, Heavy Metal Reduction |
| Use | Light Commercial | not stated |
| Color | Blue - Chlorine | Blue |
| Dimensions | 24.3 × 7.75 × 27.8 inches | 27.8 × 7.75 × 24.3 inches |
| Weight | 45 pounds | 52 pounds |
| Model | WGB32B | WGB32B-KS |
| Size | not stated | 24.5" x 28"x8" |
Frequently asked questions
Which iSpring system is better for light commercial use?
The iSpring WGB32B 3-Stage Whole House Filter is the better choice. It is explicitly designed for light commercial settings. This unit prioritizes high-flow chlorine reduction. You get a robust solution for larger homes or businesses. The system maintains healthy minerals while removing chlorine effectively.
How do the physical dimensions compare between the two models?
Both units share nearly identical dimensions. The WGB32B measures 7.75 inches wide, 27.8 inches high, and 24.3 inches long. The WGB32B-KS is 7.75 inches wide, 24.3 inches high, and 27.8 inches long. They fit similar spaces. The height and length are simply swapped between the two designs.
What is the weight difference between the commercial and heavy metal models?
The WGB32B Heavy Metal model is heavier. It weighs 52 pounds. The standard WGB32B 3-Stage system weighs 45 pounds. The difference is seven pounds. This extra weight likely comes from the specialized heavy metal reduction media in the second stage.
Can I use the heavy metal filter for general chlorine reduction?
You can, but the standard model is optimized for that. The WGB32B-KS targets heavy metals like lead and mercury. It retains beneficial minerals. The standard WGB32B focuses on chlorine reduction and sediment. If chlorine is your main concern, the standard model is the direct fit.
Do both systems use the same filter housing size?
Yes, both use standard 20-inch housings. The WGB32B uses 20-inch by 4.5-inch housings. The WGB32B-KS also uses 20-inch housings. This means you can use standard replacement filters for both. Maintenance and filter changes will follow the same general process for both units.
Which system is best if I want to keep healthy minerals?
The iSpring WGB32B Heavy Metal Whole House Filter is ideal. It effectively removes harmful chemicals while keeping beneficial minerals in your water. This is important if you prefer not to reduce total dissolved solids. The standard model also retains minerals but focuses more on chlorine removal.
Are the connection sizes the same for installation?
Yes, both systems use 1-inch NPT connections. This standard size simplifies installation for most homes. You will not need different adapters for either model. The plumbing requirements are identical. This makes swapping between them or installing either one straightforward for a professional plumber.
What color are these whole house filtration systems?
Both systems are blue. The WGB32B is listed as Blue - Chlorine. The WGB32B-KS is listed as Blue. They share the same exterior color scheme. This uniform look helps them blend into utility spaces or basements without standing out visually.