Balboa Style Silicone 2" Heater Gasket O-Ring (21619)


Balboa Water Group


$3.95 $3.55

* $9.88 standard shipping within the contiguous United States.

Balboa 2" Heater Gasket O-Ring (21619) Alternative: 711-4030

Heater Union Part Type Gasket
Part Type Gasket
Union Fitting Application Pump
Inside Diameter 2-1/8"id
Outside Diameter 2-5/16"od
Kit No
Application - Category Heater, Flo Thru
Application Manufacturer Generic, Waterway
Union Fitting Part Type O-Ring/Gasket
Application Model Generic, Union
Manufacturer Generic
Application - Part Union
Manufacturer Part Number 711-4030

Balboa Water Group (BWG) is dedicated to providing only the highest quality spa systems and spa replacement products to their customers. They design the Balboa products and systems to provide the basic functionality that you need matched with the additional features that you want. Whether you are replacing a bath or spa pump, heater, electronic spa control system, jets, or white goods, we have the right solution for you, at an affordable price. If you need assistance in finding the right replacement products, give us a call at 800-918-9143 today! We can also be reached via chat or e-mail during normal business hours.


At Balboa Water Group (formerly Balboa Instruments), their fundamental commitment to the leisure water industry has been to provide a simple, comprehensive, one source solution to their products that include the highest quality in pumps, blowers, electronic control systems, jets, white goods and accessories. Their outlook has earned them the position as the leading global supplier of product design, state-of-the-art manufacturing, and an unsurpassed reputation for reliability. With nearly three decades of innovative design, expansion and development, BWG offers a complete line of products for your whirlpool bath or hot tub.

Bath & Spa Parts Online carries a complete line of Balboa Water Group Products, readily available for immediate delivery. At current, we carry more than 2500 different Balboa SKU's, which represents their complete line of available products. If it is made by Balboa, we carry it. We also have a comprehensive database of Balboa Product Cross Reference Information
along with bath and spa product manuals and instruction sheets.

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