Where can I buy the replacement siliphos for this filter system?

I don't see any replacement filters for this item. How can I purchase one?

Yes and no. There are 2 versions of this product on Amazon. One includes Siliphos granules. Siliphos is a descaling agent.

Can this be used as a post filter for an inline water heater?

Hi, Yes you can use the spin down filter as a post filter after an inline water heater but the spin down filter may be best used before the water heater to protect the water heater from sediment buildup. Thank you, iSpring Water Systems LLC

Does it matter what direction this is hooked up?

Yes! If you look on the side of the filter housing at the top you will see an arrow pointing the direction of flow.

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iSpring WSP-50SL Reusable Whole House Spin Down Sediment Water Filter Softener, Includes Siliphos Helps Prevent Scale and Corrosion, 1" MNPT + 3/4" FNPT, 50 Micron

iSpring WSP-50SL Reusable Whole House Spin Down Sediment Water Filter Softener, Includes Siliphos Helps Prevent Scale and Corrosion, 1" MNPT + 3/4" FNPT, 50 Micron

Product ID: 559777485

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Details

Material
Brass
Product Dimensions
5.1D x 8.9W x
Item Weight
453 Grams
External Testing Certification
REACH
Product Benefits
Dirt Softening

💧20 GPM max flow rate

⚙️50 micron stainless steel mesh filter

🛡️Siliphos anti-scale & corrosion protection

Description

💧 Keep your water crystal clear and your home running smooth!

DURABLE BRASS BUILD - Robust, corrosion-resistant brass housing built to last
HIGH FLOW EFFICIENCY - Supports up to 20 gallons per minute for whole-house coverage
ADVANCED SCALE DEFENSE - Siliphos compound prevents scale buildup and corrosion, extending appliance life
REUSABLE ECO FRIENDLY - Easily cleanable filter reduces waste and maintenance costs
PRECISION FILTRATION POWER - 50 micron mesh traps sediment before it clogs your system

The iSpring WSP-50SL is a reusable whole-house spin-down sediment filter featuring a 50 micron stainless steel mesh that efficiently removes large particles to protect finer filters and appliances. With a durable brass body, 1" MNPT inlet/outlet fittings, and a max flow rate of 20 GPM, it ensures high performance. Integrated Siliphos technology prevents scale and corrosion, enhancing water quality and extending the lifespan of your plumbing system.

Specifications

Material	Brass
Product Dimensions	5.1D x 8.9W x 22.9H Centimeters
Item Weight	453 Grams
External Testing Certification	REACH
Product Benefits	Dirt,Softening
Brand	iSpring
Manufacture Year	2023
UPC	662425088348
Global Trade Identification Number	00662425088348
Net Quantity	1 Count
Number of Items	1
Manufacturer	ispring
Item model number	WSP-SL
ASIN	B075ZDWVP9

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