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Evergreen ECM Motor Tip

Evergreen ECM motors are a high-efficiency replacement for standard PSC motors. On average they will save about 25% under normal operation and up to 74% on systems that continuously run between heating and cooling cycles. Running your Evergreen motor between heating and cooling cycles allows you to filter and circulate the air continuously; and since it is so efficient, it runs continuously for pennies a day.
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Calibrating Refrigerant Gauges

As we’re approaching the beginning of Spring, refrigerant gauges will start seeing a lot of use again. As a result, it is crucial that the HVAC contractor perform weekly calibrations to ensure correct measurements are being taken. Simply adjusting the gauge to zero will not calibrate the gauge. Digital gauges need to be checked for accuracy as well.
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Flame Sensor Service Tip

One of the most important things to remember is that when you're working on a furnace, you can’t service the equipment effectively & efficiently without having a way to read flame sense. The time is far past when all you needed to service a furnace was an AC/DC volt meter. A meter that reads DC microamps will let you know what the flame sense is. You should have a reading of between 2 and 4 microamps, but it can be as high as 7. Corrective action should be taken with a reading below 2 microamps.
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Honeywell Wi-Fi Thermostat

Okay all you geeks, if you're anything like us computer nerds here at ComfortGurus, you're gonna love this new thermostat from Honeywell. We get all giddy when stuff like this comes out, mostly because we like the idea of being able to control things in our home from anywhere in the world where we get internet access. Now, just apply that technology to your home's heating and air conditioning system and we're pretty sure most of you are going to be sold on the new Honeywell TH8320WF1029. Let's look a bit deeper into this product...
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Fieldpiece Pressure Switch Tester


"Pressure switches are often out of calibration before they completely fail, and it is for a wide variety of reasons, all of which can cause the furnace to operate in an unsafe manner. The DDSM1 Draft Simulator from Fieldpiece creates a controlled vacuum to test pressure switches, so technicians can tell exactly when a pressure switch closes and opens.  This either proves that the switch is within specification, or identifies if the switch is starting to fail."
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90% Furnace Tip

Many HVAC contractors wonder why Rheem 90+ furnaces require going back down to two inch flue pipe when exiting the building. The main reason for this is to accelerate the flue gasses so they are not pulled back into the intake pipe, and to keep the gasses farther away from the building, decreasing the possibility of the gasses coming back in. Armstrong recommends what they call "accelerators" on their 90+ furnaces for the same reason. On Armstrong A96 and A97 models an accelerator (reducing the flue size) is required.
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Master Catalog - Page 9

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Master Catalog - Page 8

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Master Catalog - Page 7

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Master Catalog - Page 6

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Master Catalog - Page 6


  • System Maintenance & Protection
  • TXVs - Expansion Valves
  • UEI Test & Measurement Instruments
  • Vacuum Pumps & Gauges
  • Yellow Jacket Refrigeration Tools
    • Adhesives, Sealants, Straps, Tape


      • Air Conditioning Equipment


        • Air Ducting Solutions


          • Air Quality Products


            • Appliances


              • Automotive Equipment
              • Black Pipe Fittings


                • Cimatec/Aircleen 1500 Electronic


                  • Duct Smoke Detectors


                    • Electrical Supplies


                      • Evaporative Cooling

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