R. L. Deppmann News and Information

Smart ECM Pump Applications – Variable Speed Heating & Cooling System

ECM (Electronically Commutated Motor) pumps have electronics built into them which may be used to vary the speed of the pump. If the pump manufacturer

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How Can an ECM Smart Pump Save Energy?

Pumps with ECM or Electronically Commutated Motors have the ability to vary the speed of the pump built into the motor. Can you control the

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ECM Optional Motor

Our Southfield location is Moving!

Our new address is 46575 Magellan Drive, Novi, MI 48377 After 38 Years in our Southfield location we have outgrown our current facility. We are

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What are ECM Pumps & ECM Smart Pumps

Last week, I defined ECM motors and how they differ from standard PSC and induction motors. We recently had a customer call who was very

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What is an ECM Pump? – Part 1

ECM pumps and Smart pumps are marketing terms being thrown around to indicate a highly efficient variable speed pump that saves more money than you

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ecm motor

Specifications for Thermometers, Gauges, and Test Plugs

This week’s R L Deppmann Monday Morning Minutes wraps up the series on gauges and thermometers with a short review of pressure/temperature test ports and

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specifications thermometer gauge plug

Thermometers for Hydronic HVAC and Plumbing Systems

Temperature is important in heating and cooling systems. Today’s Building Management Systems (BMS) may monitor key areas of interest in the hydronic piping systems. Many

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thermometers hvac plumbing

Michigan Rolls ASHRAE 90.1-2013 into the 2015 Michigan Energy Code

The 2015 Michigan Energy Code is changing with an expected effective date of September 20, 2017. The long expected changes to the code were filed

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Michigan Energy Code Image

When a Bucket Trap is the Wrong Choice

Although inverted bucket traps have a long history in the steam business and can stand up to demanding application, they’re not always the best choice

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Bucket Trap

Pressure Gauge Accessories for Hydronic HVAC and Plumbing Systems

Sometimes when we add fries and other sides to a food order, the price of lunch and the calorie count can double. Let’s make sure

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Pressure Gauge Accessories
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