Buffer tanks PR – with one coil

от 740,00 лв.

Accumulates the heat generated by boiler; recommended for each space-heating system. Ensures optimum operating mode of biomass boiler, permitting its functioning at nominal power output even when the heating system does not need all the heat energy produced thereby.
Produced heat is accumulated and stored inside the buffer tank and can be used even when the boiler itself has cooled down.


Energy Efficiency
Aesthetic PVC jacket
Easy installation
Heat exchanger coil /coils
Optional kit for electric heating

Product features:

  • Removable high efficiency insulation with thickness 100 mm and outer casing of PVC with RAL 9006 color
  • Multi-position mounting of temperature sensor
  • Primer coated on the outside of the tank
  • Heat exchanger coil
  • All threads are internal
  • inlet / Outlet connections – at 180 angle degrees
  • Easy installation.
  • Optional kit for electric heating with nominal power  3kW, 4.5kW, 6kW or 7.5kW

Modifications and sizes, L:

  • 300, 500, 800, 1000, 1500, 2000, 2500, 3000

Energy Efficiency

  • Directive 2010/30 /EU, Regulation 812/2013:
  • Class С – depending on the volume.


1 – Aesthetic PVC jacket with color RAL 9006
2 – Primer coated outer surface
3 – Removable insulation
4 – Water tank of low-carbon steel
5 – Lower coil S1

Technical specifications


PR 300PR 500PR 800PR 1000PR 1500PR 2000PR 2500PR 3000
Height without insulation / with insulationH, Hi, mm1410/14601610/16601860/19102040/20902150/22202132/21822482/25322246/2296
Minimal vertical clearancemm14301640190020752220222025422332
Diameter without insulation /with insulationD, mmØ 650/750Ø 650/850Ø 790/990Ø 790/990Ø 1000/1200Ø 1200/1400Ø 1250/1450Ø 1400/1600
Operating pressure/Max. buffer temperaturebar/0C3/953/953/953/953/953/953/953/95
Operating pressure /Max. coil temperaturebar/0C16/11016/11016/11016/11016/11016/11016/11016/110
Recommended boiler size, connected to buffer tankkW6-1010-1715-2718-3327-5036-6746-8455-100
Weight without insulation/with insulationkg, kg i78/88104/116152/168180/198272/295330/356362/392476/511
Sleeve for Electric heating elementВ, mm, Rp 11/2”76079092011301130117011701184
Heat carrierС1, mm, Rp11/2”11701370157317421808177521261797
Heat carrierС2, mm, Rp11/2”139015201635
Heat carrierС3, mm, Rp11/2”880990130514201474
Heat carrierС4, mm, Rp11/2”77088098010601085117014201184
Heat carrierС5, mm, Rp11/2”540620670730765735735864
Heat carrierС6, mm, Rp11/2”150150170170235230230344
Heat carrierС7, mm,Rp1/2”/975Rp11/2”/1170
Sensor sleeveА1, mm, Rp1/2”410410570580875920920910
Sensor sleeveА2, mm, Rp1/2”10601120129015001500164516451660
Sensor sleeveА3, mm, Rp1/2”10101120129014501525162516251590
Sensor sleeveА4, mm, Rp1/2”420460465495520500500610
Air vent sleeveF, mm, Rp11/2”14101610186020402150213224822246
Coil capacity S1S1 L6.210.517.918.52124.624.629.9
Heat exchange surface S1S1 m21.
Inlet/Outlet Lower coil S1S1i/S1o, mm, Rp1”660/260770/250820/310880/310895/375980/380980/3801082/477
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