# Filter housing AMG water filters P331 5 180 1/2 — single-stage cartridge housing, 1/2" inlet/outlet

**URL:** https://aio.lv/en/product--amg-water-filters-7303342--10788174
**Data updated:** 2025-12-30 12:36 (EET)
**Category:** Water Filters
**Manufacturer:** AMG water filters
**Manufacturer code:** 7303342
**EAN:** 8033517303342
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--amg-water-filters-7303342--10788174

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

AMG water filters P331 5 180 1/2 is a single-stage filter housing designed to hold standard 5"x180mm cartridges. It features 1/2" inlet and outlet connections and is intended for point-of-use or pre-treatment applications where compact cartridge filtration is required. Use cases include improving water clarity, protecting downstream equipment, and simple cartridge replacement for maintenance.

## Long description

CRISTAL SOFT B is a non-proportional polyphosphate feeder intended for domestic use to protect boilers, washing machines, dishwashers and similar appliances by reducing limescale formation in pipes and on heating elements. The materials used in the manufacture of this filter housing are not harmful to humans and comply with the D.L. 174 requirements for water for human consumption. For technical applications (washing machines, boilers, etc.) proportional dosing is not required. Maximum operating pressure is 8 bar and the recommended operating temperature range is 0°C to +30°C. General and installation instructions are included inside the box.
Advantages
The polyphosphate formulation reduces scale build-up on metal surfaces and heating elements without the need for proportional dosing, simplifying installation. The filter housing materials meet legal requirements for potable water contact, making the unit suitable for point-of-use protection of domestic appliances. Compact single-stage design allows easy cartridge replacement and minimal maintenance.
Suitable for
 Protection of domestic boilers
 Scale control for washing machines
 Scale control for dishwashers
 Point-of-use installations requiring a compact 5"x180 mm cartridge housing
Key specifications
 Type: non-proportional polyphosphate feeder
 Application: domestic appliances protection (boilers, washing machines, dishwashers)
 Max. operating pressure: 8 bar
 Operating temperature range: 0°C to +30°C
 Housing compatibility: standard 5" x 180 mm cartridges
 Connections: 1/2" inlet/outlet (as per product family AMG P331 5 180 1/2)
How to use
Install the CRISTAL SOFT B polyphosphate feeder in the cold-water supply line upstream of the appliance to be protected, following the included installation instructions. Fit the housing with a compatible 5" x 180 mm cartridge and connect using 1/2" inlet and outlet fittings. Check the unit for leaks after installation and replace the cartridge or refill per the manufacturer's guidance provided in the box.
Usage recommendations
For effective limescale control, install the feeder on the water supply to the appliance you wish to protect and adhere to the stated temperature and pressure limits (0°C to +30°C, max 8 bar). Follow the supplied instructions for safe handling and maintenance; use cartridges and parts compatible with a 5" x 180 mm single-stage housing.

## FAQ

### How much does the Filter housing AMG P331 5 180 1/2 cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 90 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 20.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All AMG water filters products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AMG water filters service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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