PRODUCTEN
EShop-nummer
Wachtwoord
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SEV • Expansion vessels for sanitary water

  • Hydraulic accessories
  • Expansion vessels
  • Sanitary

Expansion vessel for sanitary water (ACS) equipped with a bellows in EPDM, so that there is no contact between the system water and the steel vessel. The expansion vessel absorbs the pressure difference that occurs due to expansion of the water during heating of the water heater. The mounting of a sanitary expansion vessel prevents the frequent opening of the safety valve resulting in water loss.

Brand

Watts

Installation

The expansion vessel should be mounted as close as possible to the water heater on the cold water supply line, between the safety group and the cold water connection. No shut-off valve should be mounted between the water heater and the expansion vessel.

Specifications

  • Operating temperature: -10°C to 100°C
  • Maximum operating pressure: 10 bar (8 bar, SEV 18 and SEV 24)
  • Pre-pressure: 3 bar
  • Vessel material: steel
  • Bellows material: EPDM

Accessories

Expansion vessel console, type EVC SAN

Articles

Article selection assistant
Type
# pipes
AC or EC engine
Horizontal or vertical
Hydraulic connection
Article number Type # pipes AC or EC engine Horizontal or vertical Hydraulic connection E-shop
J035520030010 FRESH-H-1/L/2P 2 AC Horizontal Left
J035520030012 FRESH-V-1/L/2P 2 AC Vertical Left
J035520030020 FRESH-H-2/L/2P 2 AC Horizontal Left
J035520030022 FRESH-V-2/L/2P 2 AC Vertical Left
J035520030030 FRESH-H-3/L/2P 2 AC Horizontal Left
J035520030032 FRESH-V-3/L/2P 2 AC Vertical Left
J035520030040 FRESH-H-4/L/2P 2 AC Horizontal Left
J035520030042 FRESH-V-4/L/2P 2 AC Vertical Left
J035520030050 FRESH-H-5/L/2P 2 AC Horizontal Left
J035520030052 FRESH-V-5/L/2P 2 AC Vertical Left
J035520030060 FRESH-H-6/L/2P 2 AC Horizontal Left
J035520030062 FRESH-V-6/L/2P 2 AC Vertical Left
J035520030070 FRESH-H-7/L/2P 2 AC Horizontal Left
J035520030072 FRESH-V-7/L/2P 2 AC Vertical Left
J035520031010 FRESH-H-1/R/2P 2 AC Horizontal Right
J035520031012 FRESH-V-1/R/2P 2 AC Vertical Right
J035520031020 FRESH-H-2/R/2P 2 AC Horizontal Right
J035520031022 FRESH-V-2/R/2P 2 AC Vertical Right
J035520031030 FRESH-H-3/R/2P 2 AC Horizontal Right
J035520031032 FRESH-V-3/R/2P 2 AC Vertical Right
J035520031040 FRESH-H-4/R/2P 2 AC Horizontal Right
J035520031042 FRESH-V-4/R/2P 2 AC Vertical Right
J035520031050 FRESH-H-5/R/2P 2 AC Horizontal Right
J035520031052 FRESH-V-5/R/2P 2 AC Vertical Right
J035520031060 FRESH-H-6/R/2P 2 AC Horizontal Right
J035520031062 FRESH-V-6/R/2P 2 AC Vertical Right
J035520031070 FRESH-H-7/R/2P 2 AC Horizontal Right
J035520031072 FRESH-V-7/R/2P 2 AC Vertical Right
J035520032010 FRESH-H-1/L/4P 4 AC Horizontal Left
J035520032012 FRESH-V-1/L/4P 4 AC Vertical Left
J035520032020 FRESH-H-2/L/4P 4 AC Horizontal Left
J035520032022 FRESH-V-2/L/4P 4 AC Vertical Left
J035520032030 FRESH-H-3/L/4P 4 AC Horizontal Left
J035520032032 FRESH-V-3/L/4P 4 AC Vertical Left
J035520032040 FRESH-H-4/L/4P 4 AC Horizontal Left
J035520032042 FRESH-V-4/L/4P 4 AC Vertical Left
J035520032050 FRESH-H-5/L/4P 4 AC Horizontal Left
J035520032052 FRESH-V-5/L/4P 4 AC Vertical Left
J035520032060 FRESH-H-6/L/4P 4 AC Horizontal Left
J035520032062 FRESH-V-6/L/4P 4 AC Vertical Left
J035520032070 FRESH-H-7/L/4P 4 AC Horizontal Left
J035520032072 FRESH-V-7/L/4P 4 AC Vertical Left
J035520033010 FRESH-H-1/R/4P 4 AC Horizontal Right
J035520033012 FRESH-V-1/R/4P 4 AC Vertical Right
J035520033020 FRESH-H-2/R/4P 4 AC Horizontal Right
J035520033022 FRESH-V-2/R/4P 4 AC Vertical Right
J035520033030 FRESH-H-3/R/4P 4 AC Horizontal Right
J035520033032 FRESH-V-3/R/4P 4 AC Vertical Right
J035520033040 FRESH-H-4/R/4P 4 AC Horizontal Right
J035520033042 FRESH-V-4/R/4P 4 AC Vertical Right
J035520033050 FRESH-H-5/R/4P 4 AC Horizontal Right
J035520033052 FRESH-V-5/R/4P 4 AC Vertical Right
J035520033060 FRESH-H-6/R/4P 4 AC Horizontal Right
J035520033062 FRESH-V-6/R/4P 4 AC Vertical Right
J035520033070 FRESH-H-7/R/4P 4 AC Horizontal Right
J035520033072 FRESH-V-7/R/4P 4 AC Vertical Right

Technical data

Model SEV 8SEV 12SEV 18SEV 24
Volumel8121824
Dimensionsmmø220 X 305Hø260 X 315Hø260 X 380Hø260 X 490H
Connectioninch3/4" M3/4" M3/4" M1" M
Pre-pressurebar3333

Notes

Which type of expansion tank to apply to which water heater?
  • Water heater 100 liters: SEV 8
  • Water heater 150 liters: SEV 12
  • Water heater 200 liters: SEV 18
  • Water heater 300 liters: SEV 24

Determined at Tmax water heater 60°C and an input pressure of 4bar.
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