Components & Accessories

HVACR components and accessories.


J Flow Products: Refrigerant Locking Cap

The quick-check cap gauge is used to prevent refrigerant tampering and huffing, protecting lives and the environment from ozone depleting refrigerant gases. 

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Allied Motion Technologies Inc.: Sensorless Brush Drive

The DPFlex II’s patented technology enables detection of motor rotor position at standstill for reliable starting without rotor movement and while under load. 

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New Age Industries Inc.: Polyethylene Tubing

Zelite polyethylene tubing comes in a linear low-density polyethylene (LLDPE) formulation. This formulation provides enhanced resistance to splitting during use over the low-density type because of its increased elasticity. 

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Blue Diamond Pumps Inc.: Condensate Removal Pump

The complete BlueDiamond® range uses an identical, reliable, patented pumping principle called rotary diaphragm. 

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Tips for Testing and Diagnosing Faulty Compressor Motors

Best Practices for Diagnosing and Solving Compressor Problems

Should a compressor fail, the entire system will fail, and knowing how to properly test, diagnose, troubleshoot, and maintain that equipment will ensure minimal downtime while preventing future failures.

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Retrofitting PSC Motors with ECMs

Replacing PSC Motors with ECMs Can Boost Bottom Line, Improve Customer Comfort

While not all contractors consistently offer ECMs, those who do often report increased profits as well as improved customer comfort and satisfaction.

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Manufacturers Strive to Meet Standards

Furnace Fan, Electric Motor Standards Drive Competition While Presenting Challenges

Over the past year, the U.S. Department of Energy (DOE) has issued more than a dozen final rules that directly or indirectly impact the HVACR industry. Two, in particular, directly regulate minimum efficiency requirements for HVAC motors.

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Emerson Climate Technologies Inc.: Electronic Expansion Valve

The EX3 is a stepper-motor-driven electronic expansion valve (EXV) that provides precise mass flow control and high energy efficiency for supermarket showcases and cold rooms with multiple parallel evaporators.

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TE Connectivity Ltd.: Mechanical Switch

The low-profile, IP67-rated switches are designed to help manufacturers reduce space and provide designers with vertical and right-angle options. 

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BK Precision Corp.: DC Power Supply

With constant voltage (CV) and constant current (CC) modes, the 9111 DC power supply automatically recalculates voltage and current limits for each setting to deliver any combination of its 60-V/8-A output range within 180 W. 

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Image Galleries

2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.


NEWSMakers: Ed Purvis

Emerson Climate Technologies executive president and business leader Ed Purvis discusses HVACR industry trends, the strength of the industry, and Emerson’s new innovation center. Posted on Dec. 26.

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NEWS 12-22-14 cover

2014 December 22

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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