Bosch CW400 outdoor temperature controller with large display and touch buttons showing current indoor temperature and heating schedule graph.
Bosch CW400 outdoor temperature controller with large display and touch buttons showing current indoor temperature and heating schedule graph.

Bosch CW400 – Outdoor Temperature Controller

Regular price €296,99
Sale price €296,99 Regular price
Unit price
Tax included.
Compare Ask a question

Ask a Question

* Required fields

Size guide Share
24 people are viewing this right now
  • Estimated Delivery:Sep 03 - Sep 07

  • Free Shipping & Returns: On all orders over € 100

Guarantee safe & secure checkout

Bosch CW400 outdoor temperature controller with large display and touch buttons showing current indoor temperature and heating schedule graph.

Bosch CW400 – Outdoor Temperature Controller

Regular price €296,99
Sale price €296,99 Regular price
Unit price
Product description
Shipping & Return
  • Outdoor temperature-based control: The CW400 primarily regulates the heating system based on the outdoor temperature. This ensures efficient heat distribution according to climate conditions.

  • Number of heating circuits: Supports control of up to 4 separate heating circuits, making it suitable for large homes or buildings with multiple heating zones.

  • Domestic hot water: Can manage 2 separate hot water boilers (DHW).

  • Two heating programs: Each heating circuit can be independently programmed with up to two different time schedules.

  • Indoor temperature indication: Provides feedback on indoor temperature for added comfort control.

  • Solar optimization and integration: Includes patented solar optimization to maximize solar heat usage, reducing the need for boiler heating and saving up to 15% energy in heating domestic hot water. Works with compatible Bosch solar modules (e.g., MS100/MS200).

  • Cascade control: Capable of managing boiler cascades up to 4 boilers (expandable up to 16 with additional modules).

  • User interface: Large graphic display with touch buttons and user-friendly menus.

  • Energy monitoring: Provides information on efficiency, costs, diagnostics, and fault logging to support maintenance.

  • Weekly programming: Allows setting of detailed weekly heating schedules for each heating circuit (e.g., up to 6 switching points per day).

Suitable For

  • Complex residential or commercial buildings with multiple heating zones.

  • Systems combining heating circuits, domestic hot water boilers, and solar thermal systems.

  • Users seeking maximum energy savings via intelligent outdoor temperature control and solar energy integration.

The Bosch CW400 is an advanced outdoor temperature controller that:

  • Optimizes heating energy use according to external temperature changes.

  • Manages up to 4 heating zones and 2 hot water boilers simultaneously.

  • Features enhanced solar thermal system support to maximize renewable heat use.

  • Provides a modern user interface for easy and precise control.

  • Offers diagnostics and monitoring for efficient system maintenance.

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 14 days of delivery.

Free Delivery on orders over €100
Free Delivery on orders over €100
Free Delivery on orders over €100

Why Jacob Warm?

14 Days Return

Lifetime Warranty

Customers Services

Discover more in our FAQ

How Long Does It Take to Process an Order?

Do You Ship Internationally?

What is Your Return Policy?

What Are Your Sizing Options?

Recently Viewed Products