Heng's 31121-C2 RV Escape Hatch Roof Vent

Rough Cut-out Dimensions (this is the hole you will need in your unit)  14.25” x 21”
Exterior Mounting Flange Outer Dimensions (sits on the top of your unit) 16.75” x 23.75”
Lid Measurements 15.5” x 22.5” (Lid Only Part# 90007-C1)

Opaque White Color You can not see through the lid.
Screen Strong, Fine mesh
Manual Crank Handle
Quick Release Latch for emergency exits.
Frame made of plastic on this escape hatch only

Heng’s Current Brand Escape Hatch
sizes - hinges - lids
will NOT fit or match
Jensen/Elixir or Ventline brand


The following part numbers and design of the escape hatches are the only Heng's style we carry.

13 x 20 Escape Hatch by Heng’s Part #  31121-C2 - This Escape Hatch has a Plastic Frame
Rough Cut-out Opening Dimensions (this is the hole you will need in your unit)  14.25”  X 21"
Exterior Mounting Flange Dimensions (sits on the top of your unit) 16.75”  X 23.75” 
Lid Only Part # 90007-C1
15 x 22 Escape Hatch by Heng’s Part # 58621-C2
Rough Cut-out Opening Dimensions (this is the hole you will need in your unit) 17.375” X 24.625”  
Exterior Mounting Flange Dimensions (sits on the top of your unit) 19"  X 26.5”
Lid Only Part # 90008-C1

17 x 24 Escape Hatch by Heng’s Part # 48621-C2
Rough Cut-out Opening Dimensions (this is the hole you will need in your unit)  19.25"  X 26.25"  
Exterior Mounting Flange Dimensions (sits on the top of your unit) 21"  X 28"
Lid Only Part # 90088-C1

22 x 22 Escape Hatch by Heng’s Part # 66621-C2
Rough Cut-out Opening Dimensions (this is the hole you will need in your unit)  21.25" x 21.25" 
Exterior Mounting Flange Dimensions (sits on the top of your unit) 23"  x 23"
Lid Only Part # 90129-C1

26 x 26 Escape Hatch by Heng’s Part # 68631-C2
Rough Cut-out Opening Dimensions (this is the hole you will need in your unit)  25.5" x 25.5”
Exterior Mounting Flange Dimensions (sits on the top of your unit) 27.5"  x 27.5”
Lid Only Part # 90014-C1