Resideo Filter combination Primus-Plus The filter combinations of type FKN74CS integrate a backwashable fine filter and a pressure reducing valve in one device. They ensure an uninterrupted supply of filtered drinking water, even during the backwashing process. The stainless steel fine filter prevents foreign particles, such as rust particles, hemp residue, and sand grains, from being flushed in, thus reducing the likelihood of corrosion. The pressure reducing valve prevents pressure damage and lowers water consumption. The filter combinations are specially suited for installation in domestic water systems where a pressure reducing valve is required. Installation in horizontal and vertical pipelines is possible. The drain connection complies with EN 1717. With integrated pressure gauge (0-16 bar) and memory ring as a reminder for the next backwash. Both are located in the upper part of the filter, are easily accessible and clearly legible. The backwash lever can be easily removed without tools and replaced by an optionally retrofittable automatic backwash system. The complete valve insert with diaphragm and valve seat is interchangeable for service purposes. The outlet pressure can be adjusted via the adjustment knob on the spring housing. A double-ended wrench for removing the filter bowl and the spring housing is included in the scope of delivery. The transparent filter bowl made of impact-resistant plastic allows for easy monitoring of filter contamination. It is slightly tinted blue to protect against UV radiation. The seals are made of EPDM and the diaphragm of the valve insert is made of fabric-reinforced elastomer. All materials are lead-free with a lead content of less than 0.1%. All materials are approved by ACS and comply with KTW requirements for drinking water. The filter combination has DVGW approval and is classified by TÜV LGA as low-noise, group 1 without restrictions. The filter element is completely replaceable and can be replaced with other filter finenesses if required. Via the optionally available rotatable connection piece, the fine filter can be integrated into a horizontal or vertical water pipe. Medium: Drinking water Medium temperature: 2 °C - 30 °C Pressure rating article: PN 16 Housing material: Brass, lead-free Filter bowl material: Polyamide (PA) Filter fineness: 100 my Nominal size: 1 1/2
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