everywhere i've been has had a boiler big enough to supplly sanitation with what they need
currently we have portable foamers that attached to a water source and air
will be having the big daddy of em all installed-------------complete centralized system complete with drop stations throughout the plant
(big $$$$$$ but we're in the middle of a new machine being installed so in for a penny............)
You need a ROI to show the bosses
Centralized systems use less chemical (no dosage errors) are more efficient (savings on labor) and are safer (less employee accidents from mixing straight chemical)
Running about 75K Canadian all in so no, not cheap but we are reducing the staff by 50% so after the first 6 months, it's essentially free