CSA Group Oil-Burning Equipment: Service Water Heaters for Domestic Hot Water, Space Heating, and Swimming Pools

Preface 1.1 This Standard applies to complete flue-connected, oil-fired service water heaters that are provided with automatic control devices. These service water heaters may be used both for heating and for supplying of domestic hot water. They are not to be used as sole source heating appliances.  1.2 The requirements in this Standard apply to service water heaters to be operated at pressures not exceeding 1035 kPa (150 psi) and water temperatures not exceeding 99 EC (210EF).  1.3 Requirements for heaters for heating swimming pool water are included in Clause 10.  1.4 The requirements in this Standard apply to the oil-burning equipment, and appurtenances thereto, included in the assembly of the water heater.  1.5 The values given in SI (metric) units are the standard. The values given in parentheses are for information only.