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Refilling combination with heatwater treatment unit and softening cartridge , NK300SE-SO

Refilling combination with heatwater treatment unit and softening cartridge , NK300SE-SO

The softening unit of the Honeywell NK300SE-SO facilitates the softening of heating water according to VDI-guideleine 2035/I. Limescale and thereby...

Product Description

The softening unit of the Honeywell NK300SE-SO facilitates the softening of heating water according to VDI-guideleine 2035/I. Limescale and thereby caused damages and malfunction in hot water heating system (EN 12828) are avoided efficiently. The refilling combination fitted on the inlet and based on a BA-type backflow preventer protects the drinking water supply against back flow of heating water according to EN 1717. 

Technical Properties

Media

Water

  • Freshwater hardness range: 0dH-26dH, 0fH-46,4 fH, 0 mmol/l - 4,64mmol/l
Port connection external threads
Mounting position horizontal
Outlet pressure 1,5 ... 4 bar
Max. media temperature 30 oC
Kvs value 0,3
Materials

Dezincification-resistant brass Housing; Discharge valve, cartridge insert, valve insert, mechanical components of the refilling unit and spring bonnet made of high-quality plastic; Fibre-reinforced EPDM diaphragm; Seals in NBR and EPDM; Spring steel adjustment spring; Stainless steel fine filter mesh: Polypropylene 3.5 l cartridge with ionic exchange resin; EPP insulation shells 

Housing (HxWxD) 537 mm | 450 mm | 160 mm
Additional Descriptions
  • Integrated electronic smart monitoring system simplifies the determination of cartridge exchange 
  • Easy installation, programming and exchange of cartridge without tools 
  • Permanent connection with the drinking water supply in accordance with EN 1717 by hose line or piping is possible
  • Optimal protection of the drinking water supply system
  • Pressure reducing valve with inlet pressure balancing - inlet pressure fluctuation does not influence the outlet pressure 
  • Outlet pressure adjustable and directly visible on the pressure gauge
Maximum inlet pressure 10 bar
Liquid category (EN1717) class 4
Inlet pressure range 0,5
Preset Outlet Pressure 1,5 bar

Related Material

Products

Product Type Filter mesh
Standard version with 1/2" threaded connections and 200m filter in the refilling combination

NK300SE-SO-1/2A
Version with 1/2" threaded connections and 25m filter in the refilling combination

NK300SE-SO-1/2AZ
25 micron

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Test kit Analogue pressure measuring device with differential pressure display. With case and accessories, ideal for inspection and maintenance of backflow preventer type BA. TKA295  
Maintenance set for refilling combination NK300 for use with TK295 resp. TKA295. WS300NK  

Spare Parts

Image Description Product Type Downloads
Valve insert complete for size 1/2" D04FMA-1/2  
Blanking plug with O-ring R1/4" (5 pcs.) S06K-1/4  
Pressure gauge, range 0-10 bar M38K-A10  
0,75l softening cartridge with ionic exchange resin P300-S  
3.5l softening cartridge with ionic exchange resin P300-L  
Check valve for size 1/2" 0904138  
Cartridge insert complete for size 1/2" 0903733  
Union seal washer (10 pcs.) for size 1/2" 0901443