Blog · Plumbing · June 20, 2026 · 7 min read
Plumbing Specialty Parts: What Stays on the Van vs the Shop
If every specialty part rides every van “just in case,” you have a museum. If none of them ride any van, you have a supply-house addiction.
Three buckets again
Daily: wax rings, supplies, common valves, cement, tape. Weekly: expansion tanks, common disposers, standard 40-gallon parts. Specialty: backflow bodies, tankless heat exchangers, commercial carriers — warehouse until the job is real.
Write the buckets on the wall. When a tech wants a specialty part on the van, they are asking to change the wall. That is a conversation, not a silent toss in the side box.
One “heavy” van is a strategy
Some shops keep a senior van with extra specialty depth and send it when the ticket smells like a backflow or a tankless. That van’s inventory list is allowed to be fatter. The apprentice van is not.
Software has to allow different mins per truck. A global min that clones the heavy van onto every truck is how you buy four of a part you need one of.
Quoted jobs pull kits the day before
Water heater replacements, bathroom remodels, and sewer jobs you already sold should never raid a random van at 7:30 a.m. Build a kit. Transfer it. If a part is missing, you still have an afternoon to buy it.
FleetStock kits exist so “standard 40-gallon gas swap” is a list, not a prayer.
Tools are specialty parts too
Jetters, locators, and press tools are assets. Check them out. If three crews think they have the locator, two of them will drive to a job that cannot start.
Asset history is more useful than engraving. Engraving tells you who it used to belong to. History tells you who has it now.
Review specialty dead stock quarterly
If a tankless heat exchanger has not moved in 120 days, it should not be on a van. Transfer it home. Sell it, return it, or keep it as warehouse safety stock. Vans are not storage units.
Dead specialty stock is how plumbing shops quietly fund the supply house’s boat.
FAQ
Should tankless parts be on every van?
Only if tankless is daily work for that tech. Otherwise warehouse plus a morning transfer.
How do we handle customer-supplied parts?
Do not add them to sellable inventory. If you must track them, use a non-valued note or a separate “customer owned” location.
What about leftover job materials?
Return-scan to the van or the warehouse the same day. Leftovers without a scan become the next tech’s mystery pile.
See what is on every truck this week
14-day free trial. Then one yearly invoice — $129, $197, or $249.