Frank Granville

Company name: Regal Rexnord

Position: Territory Sales Manager

Frank Granville is the current Territory Sales Manager for Regal Rexnord’s southwestern territory. In addition to his sales experience, he has extensive management and technical education experience, having served as the sales and general manager of multiple HVAC contracting companies. He was also a technical instructor for Lennox.

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Why is 240V called “Single-Phase”?

Why is it called single-phase 240 when there are two opposing phases (or legs)? I wondered why we called two 120v opposing legs “single-phase 240” for years. Then someone pointed out to me that a typical “single-phase” pole transformer only has one power leg entering and two coming out. That freaked me out. How can […]

Flowing Nitrogen? Make Sure You Purged First

Flowing nitrogen while brazing does not mean the air was cleared first. Learn how to purge large ACR piping, choose a practical regulator setup, and estimate time and cylinder use.

What is a GFI?

First off, the correct acronym for a GFI (ground fault interrupter) is “GFCI” (ground fault circuit interrupter). The purpose is to act as a safety device to protect from electrical shock. GFCIs are important components of electrical safety; they even make an appearance in our electrical safety video. GFCIs can be built into outlets, circuit […]

The Value of First Time Completion of PSC Motor Failures With Universal ECM

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