× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Magnehelic pressure differential gauges
Posted to Tool & Equipment Forum on 5/12/2023

WC is indeed "water column', or inches of water.

I just looked quick because I remember this from a project. Dwyer gauges (magnahelic) suffer from a lot of stock photos across the internet. Grainger is pretty good about not doing that. The 2025 you mention s... Login to read more.