Integrated intelligence - Smart Hydro Block
Most HVAC appliances have three-way valves integrated in the system. These valves are among the top-quality issues in HVAC appliances. Moreover, they add costs, they are hard to service, and they need to be configured, in general, they are a hassle.
Imagine, if you could remove the three-way valve from your appliance. In Grundfos we aim to help you design the most compact, reliable and cost-effective appliances and the patented Grundfos Smart Hydro Block technology is a clear example of that.

With the Smart Hydro Block, you can reduce the amount components in your appliance, and by that reducing the risk of abnormalities or failures.
- More space available
- No stepper motor needed
- No stepper motor driver needed
- No cable to stepper motor needed
Additionally, you can make your supply chain and service simpler with the Smart Hydro Bock
- Service friendly: access valve parts from the front by removing the pump motor
- Simpler supply chain: components coming from one supplier
Learn how to patented Grundfos Smart Hydro Block works in the following video:
Contact your Grundfos HVAC OEM sales representative if you want to learn more about the patented Grundfos Smart Hydro Block