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Commercial Hot Water Service
Montrose, Victoria
This page is for facility managers and site contacts who need backup or replacement hot water plant, not a domestic cylinder swap. The project below is a Montrose job. A business asked for a second unit so they could keep supplying hot water without waiting for a long cold draw-off.
Joniec Plumbing, licence 46989, established 2005. We quote commercial plant when we can see the existing unit, the fuel type and the isolation points. Call 1300 575 862 (1300575862).
The site already had a Demand Duo. We installed a second Rinnai Demand Duo 315LSS with a gas booster set up for LPG, placed beside the existing unit. Isolation valves let the site switch between units. The job finished with connection, testing and commissioning.
That is the whole published scope. We do not list other brands or recovery figures because they were not part of this plant. If your site uses a different fuel or a single unit only, we quote after a walk-through.
Gas work sits with our gasfitting team. Smaller domestic-style units are on the hot water units page. Broader plant belongs on commercial plumbing.
Call the same number. The 24/7 line covers south-east Melbourne, including public holidays. We will say on the phone what we can isolate that day. We do not invent an arrival window to win the job.
A backup pair, like the Montrose plant, is one way to keep amenities open while a unit is isolated. If you run kitchens or change rooms, treat hot water as a trading risk.
Send the site address, photos of the existing plant, the fuel type (this Montrose job was LPG), and when we can isolate a unit. If you already have a CM3 gate or a preferred-contractor panel, say so so we bring the paperwork. Use the contact page or call 1300 575 862 (1300575862).
Notifiable plumbing work in Victoria needs a compliance certificate. That rule comes from the Victorian Building Authority.