Johnstone Supply
Johnstone Supply is an event venue in Milwaukee, WI, at N59W13730 Manhardt Drive, Menomonee Falls, WI 53051. There are 5 upcoming events listed, starting Tue, Nov 3, 2026. Tickets are sold on the source platform — every listing links straight to it.
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Tue, Nov 3 · 8:00 AM
Hydronics Intro – Foundations of Hydronic Heating
Johnstone Supply
$50 +
Tue, Nov 3 · 8:30 AM
Hisense HD & Ductless Training – Installation, Setup & Troubleshooting
Johnstone Supply
$50 +
Wed, Nov 4 · 8:00 AM
Hydronics Intermediate – System Design & Combustion Performance
Johnstone Supply
$50 +
Thu, Nov 5 · 8:00 AM
Hydronics Advanced – Design, Controls & Troubleshooting
Johnstone Supply
$50 +
Tue, Nov 17 · 8:30 AM
Navien Level 2 Training – Advanced Service & Troubleshooting
Johnstone Supply
$50 +