Coates 6IL Heater Gasket [1-1/4" x 4-3/8" ID] [2-9/16" x 5-1/4" OD] (44000125)

Type:	Heater Parts
Mfr	Coates Heater Company
Mfg Part #	44000125
Hzn Part #	47-225-1010

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TAGS: coatesheater, heaterparts, spaparts

Details

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SEE REPLACEMENT PART: OBSOLETE

A heater gasket helps create a dependable seal between joined heater components, and this Coates 6IL gasket is designed for compatible applications using a 1-1/4 inch by 4-3/8 inch inside dimension and a 2-9/16 inch by 5-1/4 inch outside dimension where the original gasket has compressed, cracked, or become unreliable. When the sealing surface in a heater assembly begins to fail, the entire repair can feel less secure than it should.

The 6IL fit and exact dimensional relationship give this gasket practical value because heater seals work best when they match the original sealing surface closely. A properly selected replacement helps restore intended sealing performance and supports a cleaner reassembly outcome without forcing the repair around a substitute that only partly fits.

This kind of replacement is especially useful when the surrounding heater components remain serviceable and the weakness is isolated to the gasket itself. That makes the repair more focused and cost-effective.

Installed in the proper setup, this gasket helps restore dependable heater sealing and contributes to a cleaner repair overall.

Heater gasket for compatible Coates 6IL applications
Specified inside and outside dimensions support intended fit
Helps restore dependable sealing between heater components
Useful when original gaskets are compressed or damaged
Improves sealing confidence and repair quality

Coates Heater Company – Electric Pool Heaters, Spa Heaters and Heating Systems

Who is Coates Heater Company?

Coates Heater Company is a leading manufacturer of electric heating solutions for pools, spas, and industrial applications. With over 60 years of experience, Coates has built a strong reputation for producing durable, high-performance electric heaters designed for consistent and reliable operation. Their products are widely used in residential, commercial, and specialty environments where precise temperature control is essential.

What products does Coates Heater Company specialize in?

Coates specializes in electric pool heaters, spa heaters, and industrial heating systems. Their product lineup includes compact residential heaters, high-capacity commercial units, and corrosion-resistant models designed for demanding applications. These heaters are engineered to provide efficient, consistent heating while supporting a wide range of pool and spa system configurations.

Why choose Coates Heater Company parts for your pool or spa?

Coates heaters are known for reliability, longevity, and precision temperature control. Their electric heating systems are built with high-quality materials designed to withstand continuous use and harsh water conditions. Pool professionals and homeowners choose Coates for dependable heating performance, easy maintenance, and consistent water temperature management.

How do you identify and choose the correct Coates Heater Company part?

To select the correct Coates heater or component, it’s important to match system requirements such as kilowatt (kW) rating, voltage, flow rate, and installation type. Reviewing product specifications and existing system labels ensures proper compatibility and performance. Choosing the right heater helps maintain efficient operation and optimal water temperature.

Need help finding the right Coates Heater Company part?

At Bath & Spa Parts Online, we carry a wide selection of Coates Heater Company pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.