Wash. Admin. Code § 51-51-1307 - Section M1307-Appliance installation
M1307.2 Anchorage of appliances. Appliances designed to be fixed in position shall be fastened or anchored in an approved manner. Thermal storage units shall be anchored or strapped to resist horizontal displacement caused by earthquake motion in accordance with one of the following:
Seismic anchorage and strapping of water heaters shall be in accordance with Section 507.2 of the state plumbing code.
Notes
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M1307.2 Anchorage of appliances. Appliances designed to be fixed in position shall be fastened or anchored in an approved manner. Thermal storage units shall be anchored or strapped to resist horizontal displacement caused by earthquake motion in accordance with one of the following:
Seismic anchorage and strapping of water heaters shall be in accordance with Section 507.2 of the state plumbing code.