What is the difference between Grundfos 15 50 and 15-60?

What is the difference between the two pumps? The 15-60 seems to be more efficient (B rated) and a little bit of a faster flow rate yet is cheaper, but they both appear to be for systems up to 35kw (they both have the same installation manual).

What is a Grundfos Super Selectric?

UPS 15-50 Selectric and UPS 15-60 Super Selectric circulators are designed to cater for the majority of domestic wet central heating systems up to 35kW. The pumps incorporate a new energy saving three speed motor for pump to system matching and consequent reduction of hydraulic noise.

What does p1 W mean?

What does 15 50 mean on a pump?

The Grundfos UPS2 15-50/60 is highly energy efficient, offering three different settings. The settings refer to the speed in which hot water is circulated around the system and distributed to radiators and faucets. The best speed setting to use is the lowest speed at which the system works without any problems.

Should my Grundfos pump be hot?

Generally, your pump should be hot to touch. If the heat gets too unbearable, you should look for possible causes and try to fix them. If your pump has been turned off for too long, it might get hot after turning it on. This causes the Grundfos pump to overheat and make too much noise.

What is P1 and P2 power?

P1 is the total induced power to the pump system. P2 is the power coming from the motor (shaft effect).

Are Grundfos pumps any good?

4.0 out of 5 stars Unique features, high price, short life. Grundfos makes a unique product line with their MQ series. These pumps work well and perform tasks that you can’t easily do with other pumps. The down side is that their quality is spotty and you can’t easily buy repair parts.

What is the difference between Grundfos 15 50 and 15-60?