Producers of water heaters must offer clear instructions for installation with seismic straps to be included with each unit sold.
Water heater straps california.
Basically the effective standards are these.
One located within the top 1 3 of the water heater unit and one at the bottom 1 3.
Strapping must take place in the upper 1 3 and lower 1 3 of a tank type water heater not a tankless water heater.
At the lowest point there should be a minimum of four inches clearance from the strapping to the controls.
The straps must be secured with screws at least 1 4 x 3 long and penetrate at least 1 5 into the wall studs.
The state architect must put together general installation instructions which include basic details showing the minimum standards for the application of earthquake strapping.
507 3 support of appliances.
Seismic straps cpc 507 2 water heaters require two seismic straps.
If you live in california and have a larger tank water heater the state s architect s office requires that you have a third or even a fourth strap.
The bottom strap must be at least 4 inches above the water heater s controls.
Every water heater sold in the state of california must be braced.
One strap within the top 1 3 of the unit and the second strap within the bottom 1 3.
At a minimum any water heater shall be secured in accordance with the california plumbing code or modifications made thereto by a city county or city and county pursuant to section 17958 5.
For pricing and availability.
Holdrite quickstrap deluxe 80 gallon electric gas tank steel water heater strap kit.
Water heaters shall be anchored or strapped to resist horizontal displacement due to earthquake motion.
How to strap a water heater by golden gate ashi ggashi members brian cogley and paul rude demonstrate the proper way to strap a water heater.
The state architect s specifications published in 1992 stand as the legal criteria for adequate strapping of water heaters in california.