RS PRO Polyphosphate Replacement Cartridge, 30 L/min

View all Scale Inhibitors
Bulk discount available

Subtotal (1 unit)*

£65.07

(exc. VAT)

£78.08

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 1 unit(s) shipping from 26 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£65.07
5 - 9£63.05
10 +£61.03

*price indicative

RS Stock No.:
894-6960
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Scale Prevention Mechanism

Polyphosphate

Product Type

Replacement Cartridge

Maximum Flow Rate

30L/min

Maximum Operating Pressure

5 bar

Connection Size

15 mm

Connection Type

Compression Fitting

Standards/Approvals

No

RoHS Status: Exempt

COO (Country of Origin):
GB

CalPhos Polyphosphate Scale and Corrosion Inhibitor


The CalPhos venturi system is easy to fit and quick to fill up. This robust inhibitor is effective in preventing the hard build-up on pipes, shower heads, washing machines, boilers and other devices connected to the mains water. The inhibitor works by passing water through calibrated nozzles, creating a suction of polyphosphates and water solution from the bowl. A proportional dose is then delivered into the water system and calcium is prevented from crystallising.

The polyphosphate cartridges are long-lasting, replaceable and are 100% compatible with drinking water.

The RS PRO CalPhos Replacment Cartridges (894-6960) are compatible with CalPhos Polyphosphate Scale Inhibitor (894-6951)

Features and Benefits:


• Proportionally dosing venturi system

• Low running costs

• Long cartridge life

• Head made of compound plastic with venturi flange

• Built-in bypass

• Vertical or horizontal installation

• See through glass - no waste

• Safe for drinking water and other foodstuffs

Product Application Information


Ideal for preventing calcium crystallisation in the water and forming a hard encrustation on pipes, boilers, shower heads, taps, washing machines and dishwashers, and so on.

Note

Pack of CalPhos replacement cartridges 8946960

Related links