PWS 3502 6.3kW

Air/water heat exchanger 6300 W
  • rugged, industrial construction with removable steel cover
  • airflow path design to prevent water intrusion
  • integrated thermostat and solenoid valve for temperature control

side mounting


NEMA Type 12

temperature control

large distance in /out

Technical data

DataPWS 3502 (NEMA 3R/4)PWS 3502 (NEMA 4/4X)
Rated voltage ±10 %50/60 Hz AC60 Hz AC50/60 Hz AC60 Hz AC
230 V115 V230 V115 V
Cooling capacity at 450 l/hW10/A356300 W
Ambient temperature+2 … +65 °C / +36 … +149 °F
Water inlet temperature+2 … +35 °C / +36 … +95 °F
Degrees of protection
according to NEMA type
towards the electrical enclosure if used as intended by the manufacturer

Further technical details and dimensions can be found in the download section on this page under product sheet.


Description Language Type Size Download

Product sheet

  • English
pdf 200 KB Download

Operating manual

  • English
pdf 2.8 MB Download

UL listed certificate

  • English
pdf 190 KB Download

EAC certificate

  • Russian
pdf 1.7 MB Download

UKCA Declaration of conformity

  • English
pdf 160 KB Download

Further software tools for digital product integration into your planning and documentation (such as Eplan macros) can be found at MyPfannenberg.

Ordering details

Ordering detailsPWS 3502 (NEMA 3R/4)PWS 3502 (NEMA 4/4X)
Rated voltage230 V115 V230 V115 V
Article number12358520045123585100451235852004812358510048

Article numbers for other types on request.