1/2 mechanical filter (100 MCR) with MINI Protector pressure reducer

BWT Protector Mini HWS 1/2" CR is an innovative dual-function device that combines a pressure reducer and a coarse water pre-filter. Designed for use in cold water supply systems, it provides reliable protection for plumbing, appliances, and piping from mechanical impurities and pressure instability.

The filter is suitable for apartments, private homes, commercial, and public buildings — wherever clean, stable water supply is critical.

Why choose BWT Protector Mini HWS 1/2" CR?

▪️To reliably protect household appliances, plumbing fixtures, and pipes from sand, rust, silt, and other insoluble particles;
▪️To prevent water hammer and extend the service life of equipment;
▪️To ensure stable water pressure in the system regardless of supply fluctuations.

Key technical features

▪️Integrated pressure regulator maintains a set value and reduces pressure spikes;
▪️High durability — the unit withstands pressure 1.5× higher than the rated value;
▪️Flexible installation — external pressure gauge can be added for visual monitoring;
▪️Durable materials — brass body, stainless steel filter element, and transparent food-grade plastic bowl;
▪️Quick rinse function — simply connect a hose to the bottom valve and flush without disassembly;
▪️Visual contamination control — transparent housing allows quick assessment of cartridge condition.

Working principle

▪️Water enters the filter housing through the inlet fitting;
▪️Mechanical impurities are removed as water passes through the filter element;
▪️The built-in regulator sets and maintains the desired outlet pressure;
▪️Filtered water is then supplied to the system at the required pressure and quality level.

Installation and adjustment

▪️Install the unit only in heated indoor spaces;
▪️Install shut-off valves before and after the filter for convenient servicing;
▪️Pressure is adjusted manually via a rotating knob:
 - clockwise increases pressure,
 - counterclockwise decreases it;
▪️Factory setting: 4 bar; adjustable range: 2–6 bar.

Important: Outlet pressure must not exceed 80% of the safety valve trigger level on the water heater.

Easy installation

The filter has both internal and external threading and includes connection nuts, making it easy to install on steel, polypropylene, multilayer, and other types of piping. No specialized tools are required — installation can be done by the user or with minimal professional assistance.

BWT Protector Mini HWS 1/2" CR is a reliable, compact device that combines filtration and pressure stabilization in one housing. Easy to maintain, pressure-resistant, and compatible with a wide range of piping systems, it’s a vital component of your water treatment setup, ensuring the safety, longevity, and efficiency of all your plumbing and household equipment.