The installation, service and repair of water heaters shall be classified as 5183(1)/5187(1), Plumbing.
The manufacture of portable electric appliances that heat drinking water shall be classified as 3570, Electric Appliance Mfg.
The manufacture of swimming pool and spa water heaters shall be classified as 3501(2), Machinery Mfg. — swimming pool and spa.
The Classification Search was developed by the WCIRB for your convenience to help you identify Standard Classifications based on keywords or a classification code. However, you cannot rely solely on the Classification Search and must make an independent assessment when determining the appropriate classification(s) assignable to a risk in accordance with the USRP.