Waterway module and gas boiler employing the same

By arranging the heating water pump and the zero-cold water pump horizontally in the water circuit module of the gas boiler, and combining them with pipeline hub components, the spatial layout and maintenance problems of the water circuit module under the zero-cold water function are solved, and the components can be easily disassembled and maintained.

CN224365087UActive Publication Date: 2026-06-16VAILLANT WUXI HEATING EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
VAILLANT WUXI HEATING EQUIP
Filing Date
2025-06-09
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

Existing gas-fired boilers require cold water to be discharged during startup, which affects the user experience. Furthermore, adding a zero-cold-water function places higher demands on the spatial layout and maintenance of the water circuit module.

⚗Method used

Design a water circuit module that places the heating water pump and the zero-cold water pump on the horizontal sides of a plate heat exchanger, and combines pipeline hubs and temperature detection elements to enable independent disassembly and maintenance of the zero-cold water pump.

🎯Benefits of technology

The components can be disassembled independently without removing the entire machine, simplifying the maintenance process and improving space utilization efficiency and maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure provides a water route module and a gas boiler employing the same. The water route module comprises a plate heat exchanger, a heating water pump, a zero cold water pump, and a bathroom water inlet, a bathroom water outlet, and a zero cold water inlet. The plate heat exchanger is arranged in a transverse direction, and is provided with a bathroom water inlet, a bathroom water outlet, a heating water inlet, and a heating water outlet on a rear wall thereof; wherein the bathroom water inlet and the heating water outlet are close to one end of the transverse direction, and the heating water inlet and the bathroom water outlet are close to the other end of the transverse direction. The heating water pump is arranged in a water route communicating with the heating water inlet and the heating water outlet. The bathroom water inlet and the zero cold water inlet both communicate with the bathroom water inlet, and the bathroom water outlet communicates with the bathroom water outlet. The zero cold water pump is arranged in a water route communicating with the zero cold water inlet and the bathroom water inlet. The heating water pump and the zero cold water pump are located on both sides of the plate heat exchanger in the transverse direction. Through such arrangement, the maintenance and repair of the water route module are facilitated.
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