NBS Source
List your products
Description

Metal 'hit and miss' grille.

Features and benefits:

  • Manually adjusted for controllable ventilation.
  • Durable and slim, with a variety of finishes available.

Note: Hit & Miss Ventilators must not be used to supply combustion and cooling air to boilers, stoves and fires.

General information
Size

9×3

242 x 89 mm – overall maximum length x height.

9×6

242 x 165 mm – overall maximum length x height.

9×9

242 x 242 mm – overall maximum length x height.

12×12

305 x 305 mm – overall maximum length x height.

Finish

Powder coating available in a range of colours and finishes using bespoke service

Material

0.8 mm (20 gauge) aluminium

Uniclass 2015 Ventilation gratings (Pr_30_59_96_93)
Specification data
Product Reference

HM93ALUM – Rytons 9×3 Aluminium Hit & Miss Ventilator

HM93BAA – Rytons 9×3 Brass Anodised Aluminium Hit & Miss Ventilator

HM93BRASS – Rytons 9×3 Polished Brass Hit & Miss Ventilator

HM96ALUM – Rytons 9×6 Aluminium Hit & Miss Ventilator

HM96BAA – Rytons 9×6 Brass Anodised Aluminium Hit & Miss Ventilator

HM96BRASS – Rytons 9×6 Polished Brass Hit & Miss Ventilator

HM99ALUM – Rytons 9×9 Aluminium Hit & Miss Ventilator

HM99BAA – Rytons 9×9 Brass Anodised Aluminium Hit & Miss Ventilator

HM99BRASS – Rytons 9×9 Polished Brass Hit & Miss Ventilator

HM1212AL – Rytons 12×12 Aluminium Hit & Miss Ventilator

Size

9×3

242 x 89 mm – overall maximum length x height.

9×6

242 x 165 mm – overall maximum length x height.

9×9

242 x 242 mm – overall maximum length x height.

12×12

305 x 305 mm – overall maximum length x height.

Free area

9×3

3,741 mm² (37.41cm²) per unit.

9×6

6,452 mm² (64.52cm²) per unit.

9×9

11,250 mm² (112.5cm²) per unit.

12×12

19,869 mm² (198.69cm²) per unit.

Colour

Aluminium

Brass – anodized aluminium

Brass – polished

Standard product features

Colour:

Self-colour aluminium or brass as standard.

Finish:

Powder coating available in a range of colours and finishes using bespoke service.

Material:

0.8 mm (20 gauge) aluminium.

Size:

Varies with product reference.

Country of origin:

United Kingdom.

Country of manufacture:

United Kingdom.

Similar products from Rytons Building Products Ltd