Part Overview

• Manufacturer: Stiebel Eltron

• Part Description: Spare Part Kit BM Card WPE-I

• Part Number: 353133

• EAN / GTIN: 4017213531333

Function & Details

• Type: Electronic replacement circuit board / Bus Module (BM) Control Card.

• Application: Internal main or expansion circuit board for the WPE-I series (Inverter Ground-Source / Geothermal Heat Pumps).

• Primary Use: Restores electronic communication and control functions for system management, sensors, or inverter interfaces in the WPE-I heat pump series.

Compatibility List

The BM Card Kit 353133 is directly compatible with the WPE-I series of indoor inverter ground-source (geothermal / brine-to-water) heat pumps:

• Commercial / High-Output Inverter Series:

  • WPE-I 33

  • WPE-I 44

  • WPE-I 59

  • WPE-I 87

• Residential Inverter Series:

  • WPE-I 07.1 / 12.1 / 17.1 Plus H (selected inverter models)

Important Notes for Installation

• Qualified Personnel: Due to high voltage and sensitive electronic control signals, replacement should be conducted by a certified HVAC technician or electrician trained on Stiebel Eltron systems.

• Software/Configuration: When replacing a main BM card, parameter settings, dip-switch settings, or firmware updates may need to be initialized or restored to match your specific heat pump model configuration.