Balboa 2" O-Ring Seal 21619 for Spa Heater

Replacement seal for Balboa spa heater

Ensure optimal sealing of your spa heating system with the Balboa 21619 O-Ring. This replacement part is specially designed for spa heater fittings to prevent leaks and maintain proper circulation and heating system operation.

Made with materials resistant to high temperatures and chemicals used in spas, this seal offers excellent durability and reliable performance in demanding environments.

Ideal for replacing a worn, crushed, or damaged seal, the Balboa 2" O-Ring helps extend the life of your spa heater and avoid water loss.

Why choose the Balboa 21619 O-Ring seal?

Reliable sealing for your heater

This seal ensures a secure and watertight connection at the heater fitting to prevent water leaks.

Compatible with several spa systems

Designed for Heater Tailpiece applications used on several Balboa systems and compatible spa equipment.

Durable and resistant

Made with quality materials capable of resisting heat, humidity, and spa chemicals.

Main features

• O-Ring seal for spa heater
• Brand: Balboa
• Part number: 21619
• Application: Heater Tailpiece
• Outer diameter: 2-7/8"
• Inner diameter: 2-1/8"
• Width: 7/16"
• Thickness: 3/16"
• Designed to prevent leaks
• Simple and quick installation
• Resistant to high temperatures and chemicals

Compatibility

Compatible with several spa heaters and Balboa systems using a 2-inch O-Ring seal.

👉 We recommend checking the dimensions and part number 21619 before purchase to ensure compatibility with your equipment.

The benefits of quality replacement parts

Choosing a compatible quality replacement seal allows you to:

• Prevent water leaks
• Maintain the efficiency of the heating system
• Reduce the risk of damage to the heater
• Extend the lifespan of spa components
• Ensure reliable and safe operation