TS EN 442-2 Radiators and Convectors - Part 2: Test Methods and Evaluation Standard Monitoring

The TS EN 442-2 standard covers the inspection service for radiators and convectors (hereinafter referred to as "heating devices") to be installed in central heating systems of residential buildings, supplied with water or steam at temperatures below 120°C by a remote heat source.

These include:

• Steel radiators (radiators made from steel sheets or coils)
• Cast iron radiators
• Cast aluminum radiators
• Extruded aluminum radiators
• Tube radiators
• Fin tube convectors

This certification scheme does not apply to fan-assisted radiators and convectors or independent heating devices.

Components, e.g. valves, monitoring devices for fluoride content, etc.

The existing inspection service specifies the conditions for the product, as well as for testing, supervision, and certification.

Conditions and Test Requirements

The following reference documents form the basis for testing and certification.

For dated references, only the printed version is valid.

For undated references, the latest version of the referenced document (including any amendments) applies.

• EN 442-1 Radiators and Convectors - Part 1: Technical Specifications and Requirements
• EN 442-2 Radiators and Convectors - Part 2: Test Methods and Classification
• EN ISO 2409 Paints and varnishes - Cross-cut test
• ISO 2768-1 General tolerances; Tolerances for linear and angular dimensions without individual tolerance indications
• 4703-1 Heating devices - Part 1: Dimensions of sectional radiators
• 4703-3 Heating devices - Part 3: Conversion of standard thermal output
• EN 10131 Cold-rolled uncoated low-carbon and high-strength steel sheet products for cold forming - Dimensions and tolerances
• EN 13501-1 Fire classification of construction products and building elements - Part 1: Classification using test data from reaction to fire tests

Product Requirements

Limiting deviations (dimensions and tolerances)

Considering the dimensional tolerances, the dimensions specified in the design drawings should be followed. In addition to the requirements of EN 442-2, Table 3 should not be exceeded for the relevant heating device. The material properties and wall thickness for wet heating surfaces are defined in EN 442-1, Article 4.1.

Materials

The materials used in the manufacture of radiators and convectors shall comply with EN 442-1, Article 4.2.

Reaction to Fire

Heating devices shall be considered as reacting to fire if they are uncoated, and unless they meet a thickness of 1.0 mm and a mass of 1.0 kg/m² per unit area, without being tested.

For devices made from materials other than those specified in Note 2 or with a coating thicker than 1.0 mm per unit area or mass greater than 1.0 kg/m², they shall be tested and classified according to EN 13501-1 and the standards specified herein, with the resulting classification being reported.

Disposal of Hazardous Materials

Surface treatments must not contain any chemicals that are prohibited in construction products. The release of hazardous substances will comply with the relevant European Economic Community directives (also AB No. 1907/2006 (REACH)).

Sealing Compression and Pressure Resistance

The characteristics of EN 442-1 Articles 4.5 and 4.7 apply. The maximum operating pressure must be specified in the manufacturer's technical documentation. If the same type of heating device is produced for different operating pressures, radiators and convectors for higher operating pressures must be clearly labeled (for example, with a tag showing the numerical value of the corresponding operating pressure).

Surface Defects

In accordance with EN 442-1, Article 4.8, the heating device must be free from burrs that could cause personal injury.

Nominal Thermal Outputs

The radiators and convectors covered by this standard will be tested for thermal outputs according to EN 442-1, Article 5.8, and the thermal output values [W] will be declared.

The standard thermal output and thermal output under different operating conditions are determined according to EN 442-2.

Thermal Output Under Different Operating Conditions

When necessary, the thermal output of the radiators and convectors covered by this standard under different operating conditions should be determined in accordance with Annexes C and D of EN 442-2:2014, and declared as the characteristic equation and the related exponent.

Durability

Corrosion protection, as outlined in Article 4 of EN 442-1, may also be provided by methods other than coating (e.g., galvanizing, chrome plating, anodizing, or high-grade steel, copper, etc. due to the base material).

Protection against corrosion by coating the heating device is in accordance with Article 5 of EN 442-1. Verification will be provided in the manufacturer's declaration according to Annex D.

Manufacturer’s Observation

The manufacturer must have a quality management system in place. Verification will be provided in the manufacturer's declaration according to Annex D.

Marking and Catalog Data

Marking

Heating devices and their packaging must be clearly and permanently marked with the following characteristics (see also Article 6.3):

• Manufacturer’s name
• Identification of the manufacturing location
• Registration number (see Article 6.3)
• Maximum working pressure

Catalog Data / Accompanying Documents

In addition to the above technical characteristics, technical documents (particularly accompanying documents) must include the following information:

• Reference to EN 442-1
• Maximum working pressure
• Standard thermal output
• Standard characteristic equation
• Inlet water temperature (for products with protective coatings)
• Fire class response

Inspection Services under the EN 442-2 Standard include:

• Factory production control
• Supervision and evaluation of tests