1 REMOVING EXISTING SASH

Caution: Many windows in older homes are painted with lead-based paint. Removal of old windows may disturb this paint. Proper precautions must be taken to minimize exposure to dust and debris. Consult state or local authorities for more information. Use appropriate personal protective equipment.

A. Score paint or varnish along

 

 

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interior sash stops with a sharp

 

 

 

 

 

utility knife. Carefully remove

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INTERIOR SASHOSTOPSSAT JAMBS SIDES

 

 

ANDNHEAD TOP USING PUTTY KNIFE

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and prybar. Set aside to reuse.

 

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B. Cut the balance cords on the

 

 

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bottom sash and lift out the sash.

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Allow weights to fall to the bottom

 

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of the weight pocket.

 

 

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C.Remove the parting stops. There

may be a small wedge of wood at

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the bottom of the upper sash that is

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it easier to remove the parting stop,

 

 

 

use a chisel to knock off the wedge.

 

 

D. Lower the top sash and cut the

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balance cords allowing the balance

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weights to fall into the weight

 

 

pocket. Remove the top sash. Be

 

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CAREFUL NOT TONDAMAGE THE EXTERIORA

 

blind stop.

 

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E. Remove the balance cord pulleys.

 

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Unscrew and remove balance cord

 

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pulleys. If they cannot be removed

 

 

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easily, drive them into the jamb

 

 

using a hammer.

 

 

 

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2 OPENING PREPARATION

A.Inspect the existing window frame and repair or replace any defective or rotted wood parts.

-AKEKSUREETHETEXTERIOR BLIND STOPS AREESOUND

B.Insulate the weight pocket with loose fill insulation.

Note: Use of expanding/aerosol foam insulation is not recommended.

C.If applicable, INSTALL PRElNISHEDIMETALEmASHINGEOR TRIM TO COVER EXISTINGIFRAMEMSILL AND THE EXTERIOR TRIMOAT THE HEADMANDAJAMBS

D.Clean the opening OFOANY DIRT DEBRIS ORREXCESS OLD PAINT BEFOREEPROCEEDING

Note: Many windows in older homes are painted with lead-based paint. See caution note in Step 1.

E.Ensure existing sill is level.

Note: If shimming of the sill is necessary, use a continuous shim that extends across the entire width of the sill.

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Pella V784840 installation instructions Removing Existing Sash, Opening Preparation
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V784840 specifications

The Pella V784840 is a premium window solution designed to enhance home aesthetics while providing exceptional performance and energy efficiency. This window model is part of Pella's commitment to innovation and quality, catering to homeowners looking for both style and functionality.

One of the main features of the Pella V784840 is its advanced glass technology. This window incorporates low-emissivity (Low-E) glass, which helps to reflect heat and UV rays while allowing natural light to enter the home. This ensures that interiors remain comfortable all year round, reducing reliance on heating and cooling systems.

The Pella V784840 is also equipped with an argon gas fill, which serves as an insulating barrier between the panes of glass. This gas fill further minimizes heat transfer, resulting in lower energy bills and a more comfortable living environment. The combination of Low-E glass and argon gas fill contributes to the window's impressive energy performance ratings, making it an eco-friendly choice for homeowners.

The design of the Pella V784840 is equally noteworthy. It features a sleek and modern aesthetic that easily complements various architectural styles. Available in multiple finishes and colors, these windows can be tailored to match the unique look of any home. Additionally, the windows are built using high-quality materials that ensure durability and resistance to the elements, contributing to the longevity of the investment.

Another characteristic of the Pella V784840 is its ease of operation. The window is designed with user-friendly features that allow for effortless opening and closing, making ventilation simple. The inclusion of tilt-in sashes also allows for easy cleaning from inside the home, adding to its practicality.

Security is prioritized in the design of the Pella V784840, which includes robust locking mechanisms to deter unauthorized access and provide peace of mind for homeowners.

In summary, the Pella V784840 stands out in the window market for its combination of innovative glass technologies, stylish design, energy efficiency, and user-friendly features. Whether replacing old windows or building a new home, the Pella V784840 offers a reliable, aesthetically pleasing, and efficient solution for any homeowner looking to enhance their living space.
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