Armstrong 4270 Mechanical Seal Kit

(image for) Armstrong 4270 Mechanical Seal Kit

Armstrong mechanical seal kit used with model 4270 circulators

Kit includes slinger, mechanical seal and casing gasket

Genuine Armstrong pump parts

Shipping rate for continental USA

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$218.00

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Model: 4270SK
27995 Units in Stock
Manufactured by: Armstrong

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We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.

4.9

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Overall Rating

98%

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them a 4 or 5-Star rating.

Verified Buyer

November 20, 2025 by A Reviewer (United States)

“quick reorder,offered alternative filter to delayed Carrier filter”

Verified Buyer

November 19, 2025 by Victor N. (Tennessee , United States)

“Helpful customer service.
Easy order online.
Timely delivery.
New part functioned as expected.
I'm happy & as a satisfied customer have every reason to return.
Thank you!”

Verified Buyer

November 18, 2025 by A Reviewer (United States)

“You guys are great !”

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Refunds & Returns

Items that are returned must be in original package and in new condition. We are not responsible for return shipping. They must be returned within 30 days of the purchase date. Any returns after 30 days will not be accepted. Refunds takes 4-7 days to be processed and appear back on the card used. A 25% restocking charge will be deducted from the original purchase price. If an item has been installed or altered in any way no refund will be processed. If you receive an item that is damaged please let us know ASAP so we can assist you.

Shipping Rate For Continental US Only. Please contact us for rates to Canada before ordering.

About Us

Welcome to Shortys Pumps, a division of HVAC Supplies. We are located on the South West side of Indianapolis, IN. Our purpose is to provide Original Equipment Manufacturer parts for the repair and maintenance upkeep of furnaces, air conditioners, ventilation systems and pumps to the general public as well as contractors and commercial building maintenance staff.

Give us a call with the information from your equipment nameplate and we will do our best to help you locate the right paty. We can be reached at our local phone number 317-821-8770, Toll Free 877-821-8770 or by fax at 317-821-8772. Our business hours are 8-5 EST M-F. Prior to making repairs please check your manufacturers instructions and follow all safety precautions. Improper repairs can lead to equipment damage or personal injury or death. If you are unsure of your ability please call a professional to service your equipment.

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Company Information

Shorty's Pumps
877-821-8770
7720 S Mooresville RD
PO Box 146
West Newton, IN 46183
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Trusted

A Reviewer

11/20/2025

quick reorder,offered alternative filter to delayed Carrier filter

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