What does a Grundfos circulation pump do?

Grundfos circulator pumps are designed for best-in-class efficiency with low maintenance. Compared to conventional circulators, they cut energy consumption by up to 80 %, while delivering noise-free performance. Here you can find the right circulator pump for your heating, cooling and hot water recirculation needs.

Does circulating pump go on flow or return of boiler?

On the boiler return or inlet side: most but not all residential heating boilers and probably most commercial heating boilers mount the circulator pump on the return or inlet side of the heating boiler.

How long will a Grundfos pump last?

10 years
The pump of your central heating system can last a long time if it is properly installed and maintained. Typically, they keep going for at least 10 years.

Should the pump be on the flow or return?

The best place for the pump (s) is just after this vent. Many modern systems are pressurised and do not have open vents. The best place to connect the water feed is still on the return at the boiler. The best place for the pump(s) is still on the flow side.

Do you pump into or out of a boiler?

motors or more should definitely be installed pumping away from the boiler and compression tank. Since the circulating pump is the major moving part of a forced hot water heating system, not only is its location important, but also proper maintenance is critical to good system performance.

How do you test a Grundfos circulation pump?

These steps are for Lowara and Grundfos pumps, but will generally apply to all central heating pumps.

  1. Step 1: Find the Pump.
  2. Step 2: Visibly inspect the pump for damage.
  3. Step 3: Turn off the power supply.
  4. Step 4: Loosen the silver plate.
  5. Step 5: Remove the silver plate.
  6. Step 6: Check if the pump shaft has seized.

How does the Grundfos hot water circulator system work?

Grundfos Comfort System Retrofit Instant Hot Water System How it works: The circulator pumps hot water into the plumbing system which pushes the cold water through the pipes. This cold water then crosses over from the hot piping to the cold piping at the bypass valve.

What’s the GPM range of a Grundfos circulator pump?

Speed 1 range is 0-11, speed 2 is 0-15 and speed 3 is 0-17.5. The GPM range varies depending on the ft. of head as well. My existing circulation pump is a Grundfos UP 15-58 B7. Do you know if the the existing pump and the 3 speed pump UPS15-58FC share the same pump body?

Is the Grundfos comfort pump a return line?

Most older homes in the US were built without a dedicated return line. For these, a retrofit solution uses the cold water line to give you the convenience you want without having to change your plumbing. The Grundfos Comfort Pump system includes all the components needed — the pump, hose kit, bypass valve and digital timer.

What are Grundfos high pressure boosters used for?

Grundfos high-pressure booster modules are used for boosting, liquid transfer and circulation in systems under high static pressure. Applications include reverse osmosis in domestic water supply, hospitals, laboratories, and the chemical, electronics and metals industries.