Membership for working plumbers
Your toolbox. On your phone.
Type a run. Get flow rate, fittings, and cost — instantly.
valve-calc v2.4.1 — pipe flow estimatorLIVE
▾
▾
Scroll to see what's inside
# what's inside the membership
Supplier Directory
847 verified
Ferguson Plumbing SupplyVERIFIED
Commercial · 2.1 mi4.8
Hajoca CorporationVERIFIED
Residential · 4.7 mi4.6
Winsupply Group
Industrial · 6.3 mi4.5
Diagnostic Forum
23 live
HOTRinnai E12 error after descale — anyone?
14 replies · 8m agoPEX-A vs PEX-B expansion fittings in freeze zones
31 replies · 22m agoChicago rough-in inspection checklist 2026
9 replies · 1h agoPermit Library
50 states
↑ 3 permits updated this week
Code Lookup
IPC · UPC · NFPA
IPC 2024International Plumbing Code
UPC 2024Uniform Plumbing Code
NFPA 99Medical Gas
ASSE 1016Shower valves
ASME A112Fixtures
ASTM F2080Cold expansion
CEU Tracker
License renewal
Backflow Prevention Certification
65%8hREQUIRED
Medical Gas Systems (ASSE 6010)
30%16hELECTIVE
Green Plumbing & Water Efficiency
0%4hELECTIVE
Parts Finder
2.4M SKUs
Watts 009M3QT 3/4"In stock · $48.20
Honeywell AM101-1LF2 nearby · $31.50
Caleffi 521413AOrder 3–5 days
# by the numbers
0+
Active Members
Solo operators to shop owners
0
Vetted Suppliers
Across 48 metro areas
0+
Permit Templates
Updated quarterly
0%
Uptime SLA
Always on, like your van
# member_voices
“Pulled the Chicago rough-in checklist on my phone while the inspector was walking up the driveway. Passed first time.”
Marcus T.Solo operator · Chicago, IL
“I run three crews. The supplier directory alone saved me two hours a week in phone tag with distributors.”
Denise OkaforShop owner · Houston, TX
“Studying for my journeyman between calls. The code lookup is faster than any textbook I've used.”
Javier ReyesApprentice · Phoenix, AZ
valve.install
Install the Toolbox.
Every fitting, adapter, and resource — exactly where your hand expects it. Free for 14 days, then $9/month.
# on desktop? get the download link →