Bosch Intelligent Cascading Kit, 830ES, 940ES

7709003962

Status: In Stock

US$65.99

Description

Description

The Bosch Intelligent Cascading Kit, part number 7709003962, is a wired inter-unit connection kit designed to link two compatible Bosch Therm tankless gas water heaters together to enable intelligent cascading operation, allowing a multi-unit installation to distribute hot water demand across the connected heaters as needed rather than relying on a single unit to serve the full load.

The 7709003962 kit provides the wired connection hardware required to establish communication between two Bosch Therm tankless gas water heater units in a cascaded system. When connected, the intelligent cascading control logic distributes the hot water demand load across the linked units, rotating the lead unit to balance operational hours and wear across the system.

A single kit connects one pair of heaters; installations requiring more than two cascaded units require one kit per additional pair connection. A full cascaded system may include up to 24 Bosch Therm tankless water heater units connected through a series of cascading kit connections.

What's Included: Bosch Intelligent Cascading Kit 7709003962 with the wired connection hardware required to link two compatible Bosch Therm 830ES or 940ES tankless gas water heater units for cascaded operation. Additional kits are required for each additional unit pair added to the cascaded system beyond the initial two-unit connection.

Installation Limits: Each 7709003962 kit connects one pair of Bosch Therm tankless gas water heater units. A minimum of two compatible heater units is required to use this kit. The maximum number of units that may be connected in a single cascaded system is 24. Both heater units connected by this kit must be of the same compatible model series — mixing incompatible model series within a cascaded connection is not supported. All heater units and cascading connections must be installed in accordance with applicable local plumbing and mechanical codes by a licensed installer.

Compatibility: The Bosch Intelligent Cascading Kit 7709003962 is compatible with the Bosch Therm 830 ES Natural Gas (7703311076), Bosch Therm 830 ES Liquid Propane (7703411074), Bosch Therm 940 ES Natural Gas (7703311075), and Bosch Therm 940 ES Liquid Propane (7703411073) tankless gas water heaters available at RuralEnergy.com. All four of these models include intelligent cascading capability as a standard feature and are designed to accept the 7709003962 kit connection.

Features

Features

  • Wired inter-unit connection kit enables intelligent cascading operation between two compatible Bosch Therm 830 ES or 940 ES tankless gas water heaters available at RuralEnergy.com
  • Intelligent cascading control logic distributes hot water demand load across connected units and rotates the lead unit to balance operational hours and wear across the cascaded system
  • One kit connects one pair of heaters — installations requiring more than two cascaded units require one additional kit per unit pair connection added to the system
  • Supports cascaded systems of up to 24 Bosch Therm tankless gas water heater units connected through a series of cascading kit connections for large residential or commercial applications
  • Compatible with all four Bosch Therm 830 ES and 940 ES models available at RuralEnergy.com — all four models include intelligent cascading capability as a standard platform feature
  • All heater units and cascading connections must be installed by a licensed installer in accordance with applicable local plumbing and mechanical codes

Specifications

Specifications

Brand: Bosch
Part Number: 7709003962
Product Type: Intelligent Cascading Wired Connection Kit
Connection Type: Wired inter-unit cascade connection
Units Connected Per Kit: One kit connects one pair of compatible heater units
Maximum Units Per Cascaded System: 24 Bosch Therm tankless gas water heater units
Lead Unit Rotation: Yes — intelligent cascading logic rotates lead unit to balance operational wear
Minimum Units Required: Two compatible heater units
Compatible Models at RuralEnergy.com: Bosch Therm 830 ES NG (7703311076), Therm 830 ES LP (7703411074), Therm 940 ES NG (7703311075), Therm 940 ES LP (7703411073)
Installation Requirement: Licensed installer required — must comply with applicable local plumbing and mechanical codes

 

The Bosch Intelligent Cascading Kit 7709003962 enables wired inter-unit cascading between compatible Bosch Therm 830 ES and 940 ES tankless gas water heaters available at RuralEnergy.com, supporting scalable multi-unit hot water systems from two units up to a maximum of 24 units with intelligent load distribution and lead unit rotation across the cascaded installation.

 

Support

Support

 
Product FAQ

What does the Bosch Intelligent Cascading Kit 7709003962 do?

The Bosch Intelligent Cascading Kit 7709003962 provides the wired connection hardware needed to link two compatible Bosch Therm tankless gas water heater units together for cascaded operation. Once connected, the intelligent cascading control logic distributes the hot water demand load across the linked units rather than relying on a single unit to serve the full load. The system also rotates which unit serves as the lead unit to balance operational hours and wear evenly across the cascaded heaters over time.

Which Bosch tankless water heaters at RuralEnergy.com are compatible with the 7709003962 cascading kit?

The Bosch Intelligent Cascading Kit 7709003962 is compatible with all four Bosch tankless gas water heater models available at RuralEnergy.com: the Therm 830 ES Natural Gas (7703311076), the Therm 830 ES Liquid Propane (7703411074), the Therm 940 ES Natural Gas (7703311075), and the Therm 940 ES Liquid Propane (7703411073). All four models include intelligent cascading capability as a standard platform feature and are designed to accept the 7709003962 wired kit connection.

How many cascading kits are needed for a multi-unit installation?

Each Bosch Intelligent Cascading Kit 7709003962 connects one pair of compatible heater units. A two-unit cascaded system requires one kit. A three-unit system requires two kits to connect the second and third units to the chain, and so on. Each additional unit added to the cascaded system beyond the initial two-unit connection requires one additional kit. A full cascaded system may include up to 24 Bosch Therm tankless water heater units connected through a series of 7709003962 kit connections.

What is the maximum number of units that can be connected in a Bosch cascaded system using the 7709003962 kit?

A cascaded system using the Bosch Intelligent Cascading Kit 7709003962 supports a maximum of 24 Bosch Therm tankless gas water heater units connected through a series of kit connections. This maximum capacity makes the cascading kit suitable for large residential applications with high simultaneous hot water demand as well as light commercial installations where a single tankless unit would be insufficient to serve the peak load requirements of the building.

What is lead unit rotation and why does it matter in a cascaded system?

Lead unit rotation is the intelligent cascading system's automatic process of alternating which heater unit in the cascaded group fires first and carries the initial hot water demand load during each demand cycle. Without lead unit rotation, the same unit would always fire first and accumulate significantly more operational hours than the other units in the system, leading to uneven wear and earlier failure of the lead unit. With lead unit rotation enabled through the 7709003962 kit connection, operational hours are distributed evenly across all connected units, extending the service life of the entire cascaded installation.

Does the Bosch 7709003962 cascading kit require a licensed installer?

Installation of the Bosch Intelligent Cascading Kit 7709003962 and the associated multi-unit heater configuration must be performed by a licensed plumbing or mechanical contractor in accordance with all applicable local plumbing, mechanical, and gas codes. Multi-unit cascaded tankless water heater systems involve gas supply sizing, shared plumbing manifold design, and inter-unit wiring that require professional installation to ensure safe and code-compliant operation. Warranty coverage on the heater units may also require professional installation documentation.

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