CSA C22.2 No. 60335-2-21
CSA C22.2 No. 60335-2-21 is the particular safety requirements for storage water heaters, covering electric storage tank-type water heaters used for household and similar purposes.
Key Test Areas:
1. Pressure vessel integrity and hydrostatic testing
2. Thermostat accuracy and temperature limiting controls
3. Corrosion protection verification
4. Electrical heating element safety
5. Abnormal condition testing (dry-firing, over-temperature)
Project Details
This standard applies to electric storage water heaters with a rated voltage not exceeding 250 V for single-phase appliances and 480 V for other appliances. It covers both glass-lined and other tank types.
View more
