Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need.
Floor sink sizing calculations.
Z1192 grease recovery appliance.
Mop sink hand sink pre rinse sink etc connected to the grease interceptor.
Now you need to understand what temperature rise means.
This sizing tool is to provide a product s recommendation based on two factors.
Floor and area drains receive liquid from surrounding areas and by the attached piping convey the liquid to the storm or sanitary drainage system.
Each dishwasher will require a seperate grease trap.
Dishwashers can be connected to a grease trap only if allowed by local code.
For floor drains and floor sinks take the volume of water produced by the number of hose bibs i e.
3 comp three into 1 at end closest to prep sink if neccessary i m not comfortable at this point i need to know beyond a shadow of a doubt if it s acceptable.
Dfu drainage fixture unit values is defined by the the uniform plumbing code upc and can be used to determine required drainage capacities from fixtures and their service systems.
Installation of grease interceptors.
Sizing pdi method using sink volumes.
Floor drains are primarily used for inside locations where the flow rate into the drain can be anticipated.
Floor sinks dfus based upon sink drain size see table 2 below or section 702 1 in the upc.
Floor sink sizing excellent perception crack i especialy like the deep floor sink didn t even think of the different depths of all kinds of floor sinks thank you.
Maintenance of grease inteceptors.
Pdi size grease interceptor 1 1 4 1 7 5 10 1 1 2 2 15 15 2322 525 2 1 2 4 30 35 3537 550 464550 since the possibility of all the fixtures are used and drained simultaneously is very low using above sizing method can potentially result in an enormous flow and gross over sizing of the interceptor.
1 5 2 0 gpm per 3 4 inch faucet.
Sizing pdi method using sink dimensions.
3 compartment sink 9 2 compartment sink use floor sink criteria based upon drain size or number of sinks whichever is larger each compartment is 3 dfus.
Actual drainage load for sinks other appliances and sinks.
Floor drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax.
Floor sinks that receive only ice machine and cooler condensate are not counted.
Tankless water heater sizing calculator.
Area drains are designated for outside areas where rainfall intensity dictates sizing.