SupplyHouse Real Talk | Plumbing, HVAC and Electrical How-To Guides and Product Tips

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Community Electrical Heating & Cooling Plumbing

Wall-mounted electrical boxes power control and outdoor HVAC condenser unit

The Outdoor HVAC GFCI Exemption Just Expired. Now What?

The exemption that let outdoor residential HVAC equipment skip GFCI protection expired Sept. 1, bringing updated requirements for contractors to keep in mind for upcoming installations. AHRI and ACCA pushed hard for…

September 11, 2026 Read More

Using an adjustable wrench, a professional plumber connects hot and cold water hoses to a boiler.

Plumbing

How to Service a Water Heater for Fall

Water heaters are the forgettable workhorses of a plumbing system. Nobody thinks about them until the morning someone steps into a cold shower, or worse, until…

September 10, 2026 Read More

Test cocks, shut off valves, and vacuum breaker to a lawn sprinkler irrigation system

Plumbing

What the 2024 IPC’s Backflow Rules Actually Require

Every plumber has installed a backflow preventer without thinking twice about it. Fewer can say exactly which hazard classification drove that specific assembly choice,…

September 9, 2026 Read More

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