The Raypak 100-10000663 E3T Electric Heater is a 240V, single-phase, 11 kW unit (37,534 BTU) designed for precision pool and spa heating. Built with titanium heating elements and 316L stainless steel construction, it withstands extreme water conditions, including saltwater systems. The E3T features a solid-state design with flow sensor technology for smooth, energy-efficient performance. A digital control center provides diagnostic readouts, intuitive alerts, and seamless automation integration. Compact and easy to install, this heater delivers 100% thermal efficiency, making it an ideal solution for both new builds and replacement applications.
The Raypak Electric E3T Series heaters are fully Title 24 compliant, making them an ideal choice for energy-efficient and future-ready pool heating. With new energy standards taking effect on January 1, 2026, the E3T Series ensures you stay compliant while maximizing performance and efficiency. Choose Raypak for reliable, cost-effective heating that meets today’s needs and tomorrow’s regulations.
Highlights
-
High-Efficiency 11kW Performance: Provides 37,534 BTU output with 100% thermal efficiency, ensuring precise and consistent pool or spa heating.
-
Durable Titanium & Stainless Steel Build: Titanium heating elements and 316L stainless steel housing resist corrosion and scaling, even in aggressive or saltwater conditions.
-
Advanced Digital Control System: User-friendly display with built-in diagnostics, real-time monitoring, and an alert system that simplifies operation and maintenance.
-
Solid-State Design with Flow Sensor: Smart electronics and flow technology optimize energy use, prevent dry-firing, and promote reliable operation over time.
-
Compact & Automation-Ready: Small footprint for flexible installation and full compatibility with pool/spa automation systems, making it easy to integrate and control.
Specifications
-
Power Output: 11 kW (37,534 BTU)
-
Voltage / Phase: 240V, single-phase
-
Heating Elements: Titanium for maximum durability
-
Housing Material: 316L stainless steel – corrosion & saltwater resistant
-
Thermal Efficiency: 100%
-
Design: Solid-state electronics with flow sensor technology (prevents dry-firing)
-
Controls: Digital control center with diagnostics, monitoring, and alerts
-
Automation Ready: Compatible with pool and spa automation systems
-
Installation: Compact footprint for easy retrofit or new builds
-
Application: Pools and spas, including saltwater systems
Additional Info
Need help with the Raypak 100-10000663 E3T Electric Heater? This 240V, 11 kW single-phase unit delivers precision heating with titanium elements, stainless steel housing, and 100% thermal efficiency. Below are details on specs, installation, and in-store pickup.
High-Efficiency 11 kW Heating
The E3T produces 37,534 BTU at full efficiency, providing steady pool or spa heating without wasted energy. It’s a compact yet powerful option for consistent performance.
Can I buy the Raypak 100-10000663 heater in store today
How does the E3T achieve 100% thermal efficiency for pools and spas
What is the BTU output of the 11 kW single-phase Raypak E3T heater
Can I walk in and confirm this model before purchase
Why is electric heating ideal for smaller pool and spa systems
Durable Titanium and Stainless Steel Build
Equipped with titanium heating elements and 316L stainless steel housing, the E3T is resistant to scaling, corrosion, and saltwater exposure.
How does titanium resist corrosion in saltwater pool heating
Can I see the 316L stainless steel build in store before purchase
Why are titanium elements better than copper-based heating parts
How long do titanium elements last in the Raypak E3T heater
Can this model handle aggressive water chemistry safely
Digital Controls and Easy Integration
The E3T comes with a digital control center featuring diagnostics, monitoring, and alerts. It integrates smoothly with pool and spa automation systems.
How does the Raypak E3T digital control system simplify operation
Can I buy in store and get setup help for automation integration
What error codes are displayed by the Raypak E3T heater
Why digital controls improve efficiency and safety in pool heaters
How easy is it to retrofit the 100-10000663 into an existing system
Found In These Collections
Questions & Answers
Have a Question?
Be the first to ask a question about this.