OKNA DH600DX Double-Hung Window – 40" x 53"

Description :
This OKNA DH600DX Double-Hung vinyl window measures 40 inches wide by 53 inches high and features Guardian ClimaGuard® Low-E insulated glass with argon gas fill, providing excellent insulation, clarity, and year-round energy efficiency. The dual operating sashes tilt inward for easy cleaning and allow flexible ventilation from the top or bottom. The foam-filled frame enhances thermal performance, while the precision-welded vinyl construction ensures long-term durability and weather resistance. Rated with a U-Factor of 0.27 and a Solar Heat Gain Coefficient (SHGC) of 0.29, this ENERGY STAR® certified model meets modern energy standards for residential installations. This window is factory-new, never installed, and remains fully wrapped in its original OKNA packaging with documentation attached.

Era
Contemporary (2020s)

Style
Modern Residential / Energy-Efficient Double-Hung

Technique
Fusion-welded vinyl frame with dual tilt-in sashes; Low-E, argon-filled insulated glass unit; compression-fit sealing for superior energy performance.

Tools Used
Vinyl heat welder, glazing press, pneumatic fastener, precision frame square, sealant gun.

History
New surplus window from OKNA’s Cleveland distribution network, factory-sealed and labeled. Never installed or modified.

Manufacturer / Maker
OKNA Windows & Doors, Bristol, Pennsylvania Glass by Guardian Glass – ClimaGuard® Low-E.

Measurements
40" W x 53" H x 4" D

Suggested Weight
Approx. 60–70 lbs.

Suggested Shipping Package Dimension
45" W x 59" H x 7" D (boxed and padded).

Item Number : P14964

Category : Double Hung Window

Brand : OKNA Windows & Doors, Bristol, Pennsylvania