Pella® 250 Series Vinyl Casement Window

Mulled

Pella 250 Series 3-wide mulled casement windows join three vinyl casement windows together in the factory. The mulled windows ship as one combined unit. Perfect for hard-to-reach places, these windows are hinged at the side and open with the turn of an easy-to-use fold-away crank. Pella 250 Series delivers exceptional energy efficiency in a low-maintenance vinyl design. Available with our most popular features and options, such as dual-color frames and grilles, personalize your casement windows to achieve a look you love for your unique home.

Three vinyl casement windows joined together as one unit.
Dual- and triple-pane glass options help make your home more comfortable and energy efficient.
Low-maintenance vinyl is durable and never needs repainted.

Product #202003

Configuration: 3-wide

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Design Options

Solid-color frames feature White, Almond or Fossil color on both the interior and exterior. Dual-color frames have White on the interior with Brown or Black on the exterior.

Solid Color Frames

White
Almond
Fossil

Frame

Less visible sash corner seams – typical vinyl has build up.
Full-frame profile with edge detailing.
Our precision welding process helps prevent warping and twisting over time like ordinary vinyl can – helping eliminate "vinyl smile."
Reinforced window frames are 52% stronger than ordinary vinyl.⁸
Multi-chambered, fully-welded sash and frame improve strength and thermal performance and reduce sound transmission.
Products are tested in state-of-the-art facilities.

Frequently Asked Questions

Frame	Overall frame depth: 3-1/4" on all frame types. Frame members are mitered and heat fused to provide a fully welded corner assembly. Sill is fitted with weeps. Frame: 1-1/8" setback nail fin for 2-1/8" wall depth; Block frame for 3-1/4" wall depth; Integral 5/8" flange for 3" wall depth
Sash	Sash members are extruded, rigid PVC, and are mitered and heat-fused to provide a fully welded corner assembly. Contains sealed insulating glass.
Weatherstripping	Vent units include weatherstripping around the sash perimeter with a fintype, pile and an extruded bulb weatherstrip.

Glazing System	Quality float glass complying with ASTM C 1036. Exterior face-glazed sealed insulating glass. Dual-Pane insulating glass or 1" Triple-Pane
Hardware	Multi-point unison lock with single handle is factory-installed zinc die cast. Lock tie-bars are stainless steel. Optional limited opening hardware available for vent units in extruded vinyl to match the unit; nominal 3" opening. Optional factory applied window opening control device. Device allows window to open less than 4” with normal operation, with a release mechanism that allows the sash to open completely. Complies with ASTM F2090-17.
Insect Screens	Set in aluminum frame and fitted to interior of window. Conventional Black Fiberglass Black vinyl coated 18/16 mesh fiberglass screen cloth complying with ASTM D 3656 and SMA 1201.

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Pella 250 Series

Offering the most popular vinyl features and options, Pella 250 Series products feature innovative and enhanced security and privacy features, including automatically locking hardware and a tamper prevention system. Made with beautiful easy-care vinyl, they provide Pella craftsmanship in a great-looking vinyl window.