GNWH08C - Water filter GE - Free user manual and instructions
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| Product Type | Water Replacement Filter |
| Brand | GE |
| Model | GNWH08C |
| Compatibility | Designed for GE Whole House Water Filtration Systems |
| Dimensions (L x W x H) | 9.75 x 4.75 x 4.75 inches (24.8 x 12.1 x 12.1 cm) |
| Weight | Approximately 1.5 lbs (0.7 kg) |
| Filtration Media | Activated carbon block |
| Micron Rating | 5 microns |
| Flow Rate | 5 gallons per minute (18.9 L/min) |
| Maximum Water Pressure | 125 psi |
| Maximum Water Temperature | 100°F (38°C) |
| Filter Capacity | Up to 10,000 gallons (37,854 liters) or 6 months |
| Recommended Replacement Cycle | Every 6 months or when water flow decreases |
| Contaminant Reduction | Reduces sediment, chlorine taste and odor, and rust particles |
| NSF Certification | NSF/ANSI 42 certified for safety and performance |
| Material | Durable polypropylene housing with FDA-compliant carbon |
| Installation | No tools required; twist-and-lock replacement |
| Maintenance | Clean filter housing occasionally with mild soap and water |
| Safety | Use with cold water only; do not use with microbiologically unsafe water without disinfection |
| Included Components | Replacement filter cartridge with integrated O-ring |
| Repairability | Replaceable filter cartridge; no other serviceable parts |
| Manufacturer Part Number | GNWH08C |
Frequently Asked Questions - GNWH08C GE
How often should I replace my GE GNWH08C water filter?
The GE GNWH08C filter should be replaced every 6 months or after filtering approximately 10,000 gallons of water. If your household uses more water, you may need to replace it sooner. A drop in water pressure is a sign it is time for a new filter.
Does the GNWH08C filter remove contaminants like lead or bacteria?
The GNWH08C is primarily a sediment and chlorine filter. It reduces coarse particles, silt, and chlorine taste/odor, but it is not certified to remove heavy metals such as lead or microbiological contaminants like bacteria or viruses. For those, you need a specialized filter with appropriate certifications.
Can I install this filter myself?
Yes, the GNWH08C is designed for tool-free installation. Most compatible GE whole house systems use a simple twist-and-lock mechanism. Just turn off the water supply, depressurize the system, remove the old cartridge, and install the new one.
What is the micron rating of the GNWH08C filter?
The GNWH08C has a 5-micron filtration rating. This means it can trap particles as small as 5 microns, effectively removing most visible sediment, rust, and sand from your water supply.
Why is the water flow rate slowing down after installing a new filter?
A new filter may cause a temporary reduction in flow as the carbon media becomes fully saturated with water. This usually resolves within a few minutes. If it persists, check that the filter is properly seated and that your system's pressure is adequate.
Is the GNWH08C filter NSF certified?
Yes, the GE GNWH08C filter is NSF/ANSI 42 certified for material safety and structural integrity. This certification ensures that the filter reduces aesthetic contaminants like chlorine and does not leach harmful chemicals into your water.
Can I use the GNWH08C filter with hot water?
No, the GNWH08C is rated for cold water only, with a maximum temperature of 100°F (38°C). Using hot water can damage the filter media and housing, potentially causing leaks or reduced filtration performance.
How do I know when to change the filter?
In addition to following the 6-month schedule, watch for signs like reduced water pressure, changes in water taste or odor, or visible sediment in filtered water. Many GE systems have a built-in timer or reminder, or you can set a calendar reminder yourself.
Does the GNWH08C fit all GE whole house filtration systems?
The GNWH08C is specifically designed to fit compatible GE whole house modules that use this cartridge size. It is not universal. Check your system's manual or the filter's compatibility list to ensure it matches your model.
What materials are used in the GNWH08C filter construction?
The filter housing is made of durable polypropylene, and the filtration media is activated carbon sourced from FDA-compliant materials. The integrated O-ring is made of food-grade rubber to ensure a watertight seal.
User questions about GNWH08C GE
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USER MANUAL GNWH08C GE
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Product information
Brand : GE
Model : GNWH08C
Category : Water filter