After installation, is there an easy method or control, excluding the use of a separate door stop, to keep the door wide open if needed?

There is not an "easy" method to hold the door open. The only thing to do is use a doorstop.

Can the closer be disabled without uninstalling it? It appears from the picture that maybe the closing rod could be removed and re-inserted?

As best that I remember, the closing rod can be removed from the hole in the spring assembly. did in fact uninstall the unit by pulling the rod out and separating the door from the spring. The problem was that the spring required so much rotational torque to fully close the door that I needed to use the next to last hole on the cylinder and the cylinder kept on snapping back to a position where the last hole couldn't be reached. I finally managed it by jamming the cylinder by placing the screwdriver in a adjacent hole. This allowed me to hold the cylinder still so that I could reposition the rod .

I know this is a door closer, but it does soft close or does it accelerate to close?

I have it set to just reach the closed position but not to overcome the door latch and lock the door. In this case it is a soft close. If you increase the tension to close the door until it latches, it will probably accelerate somewhat due to the momentum gained while it swings shut.

How much pressure does it take to open? Will my 90 lb. Lab. be able to push it open?

You can adjust the closing (and thus opening) force. It should be no problem to adjust it such that a dog can push open the door.

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KC10HD Safety Spring Door Closer, White, 4-1/4 In.

Product ID: 909341

Details

Brand
PRIME-LINE
Color
White
Exterior Finish
White
Material
Diecast
Product Dimensions
9.25"L x 1.5"W

🔧Adjustable tension & speed

⚙️150 lbs closing force

🛠️Surface-mounted, easy install

$49.16

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Description

🚪 Close the door on hassle—effortless safety, every time!

UL LISTED FIRE RATED - Safety certified with a 1/2-hour fire rating for peace of mind
DIY FRIENDLY SURFACE MOUNT - Quick install with included hardware—no pro needed
UNIVERSAL NON HANDED DESIGN - Fits both left and right swing doors seamlessly
CUSTOMIZABLE TENSION SPEED - Fine-tune closing performance for your unique door setup
POWERFUL 150 LBS CLOSING FORCE - Handles heavy doors & windy conditions with ease

The Prime-Line KC10HD Safety Spring Door Closer is a durable, diecast, surface-mounted device designed to convert hinged doors into self-closing ones. Delivering up to 150 lbs of adjustable closing force, it fits both left and right-handed doors and features customizable tension and speed settings. UL listed with a 1/2-hour fire rating, it ensures safety and convenience for residential and light commercial use. Installation is straightforward with included hardware, making it a perfect DIY upgrade for enhanced security and energy efficiency.

Specifications

ASIN	B003DQGEMQ
Best Sellers Rank	#92,708 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #62 in Door Closers
Brand Name	PRIME-LINE
Color	White
Customer Reviews	4.1 4.1 out of 5 stars (3,717)
Exterior Finish	White
Global Trade Identification Number	00049793700100
Included Components	Door closer and fasteners
Installation Type	Screw-In
Item Dimensions L x W x H	9.25"L x 1.5"W x 6.5"H
Item Highlight	Diecast Construction, Easy to Install, Converts Hinged Doors to Self-Closing, Non-Handed, Single Pack
Item Type Name	Hinged Doors to Self-Closing – Diecast Construction (4-1/4 inch, Non-Handed)
Item Weight	0.4 kg
Manufacturer	Prime-Line Products
Manufacturer Part Number	KC10HD
Manufacturer Warranty Description	Goods are warranted against manufacturing defects for 1 year.
Material Type	Diecast
Model Number	KC10HD
Number of Items	1
Number of Packs	1
Number of Pieces	1
Recommended Uses For Product	Converting hinged doors to self-closing doors, ensuring proper closing in high wind areas or with heavy doors, and providing a safer environment by automatically closing doors, particularly for doors with U.
Shape	shape
Size	4-1/4 in.
Specification Met	UL
UPC	049793700100
Unit Count	1 Count

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$49.16

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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