Category: Uncategorized

Armstrong Pumps for Platform 4611 Apartments

June 29, 2022

Maddock Industries recently sourced Armstrong Design Envelope 4300 Series pumps to Premier Mechanical, Inc. (PMI) as part of their fabricated mechanical room installed in the Platform 4611 Apartments for The John Buck Company and their partner McHugh Construction. Maddock hydronics consultants helped PMI identify the right pump for the job. Because Armstrong Design Envelope 4300…

Read More

Pump-Mounted vs. Wall-Mounted Controls

May 31, 2022

Get your controls off the wall and onto your pumps Savvy engineers and mechanical contractors know there are numerous benefits from using intelligent Design Envelope pumps from Armstrong, including their utilization of intelligent variable speed controllers (IVS) mounted directly on the pump instead of on the wall. Here are the top three. Lower Installation Costs…

Read More

How to Avoid Complaints of Building Air Being Too Hot or Cold

April 14, 2022

Trapped air in chilled and heating hot water systems is the biggest source of problems we see in the HVAC industry: it forces pumps to work harder, less efficiently and more noisily. Air also contributes to corrosion, which introduces rust particles and debris into the HVAC water flow. Dirt and air are both insulators so,…

Read More

4 Reasons to Get Off the Ground with Split-Coupled, Vertical Inline Pumps

March 10, 2022

Learn Why Vertical Inline Is a Better Option than Base-Mounted, Centrifugal Pumps In years past, centrifugal pumps operated horizontally and were bolted to the floor. These base-mounted, pumps were a maintenance nightmare – requiring the removal of the motor to replace seals and perform other repairs. At 10 pounds per horsepower, motors in base-mounted pumps…

Read More

Condensing vs. Non-Condensing Boilers & The Case for Hybrid Systems

February 15, 2022

With hydronics experience dating back to 1971, we frequently encounter people using condensing boilers in non-condensing applications. Why? In Chicago and other locations with cold winters, non-condensing boilers work well when it’s cold out and system temperatures are maintained at 160 to 180° F but are much less efficient when it’s warmer, from spring through…

Read More

How Sensorless Pump Technology Works

January 12, 2022

For both duty/standby and multi-pump applications, sensorless technology in Armstrong vertical inline (VIL) pumps offers superior control and maximum energy efficiency. Sensorless Overview Sensorless control enables a pump to decrease or increase its speed to match system requirements without any external signal. In other words, sensorless pumps emulate the performance of a remotely mounted sensor…

Read More