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Product Overview

The Raypak E3T Electric Titanium Heater | 100-10000663 is a compact electric pool and spa heater designed for reliable heating performance in spas, hot tubs, and smaller pool applications. With 11kW electric output and approximately 37,534 BTU/hr, this heater provides dependable water heating without natural gas, propane, or combustion venting.

Built with titanium heating elements and 316L stainless steel construction, the E3T is engineered for demanding pool and spa water environments, including properly maintained saltwater systems. Raypak’s E3T platform uses solid-state controls and flow sensor technology instead of a traditional pressure switch, helping support quiet operation and improved heater protection.

The digital control center provides useful operating information including set point, inlet temperature, outlet temperature, flow rate, and diagnostic alerts. This model is listed as ELS-R-0011-1-TiB and operates on 240V single-phase power.

Ideal For

• Spas and hot tubs
• Small pool heating applications
• Electric pool and spa heating systems
• Properties without natural gas or propane access
• Saltwater pool and spa systems
• Equipment pads requiring compact heater sizing
• Replacing older electric spa heaters
• Customers wanting digital heater controls
• Indoor or outdoor equipment areas where gas venting is not preferred
• Professional pool and spa equipment installations

Key Features

• 11kW electric heating output — provides efficient heating performance for compatible spa and small pool applications.
• Approx. 37,534 BTU/hr — converts electric power into dependable water-heating performance.
• 240V single-phase operation — designed for professional electrical installations with adequate service capacity.
• Titanium heating elements — built for durability in harsh pool, spa, and saltwater environments.
• 316L stainless steel construction — marine-grade stainless steel body helps resist corrosion.
• Digital control center — displays set point, inlet temperature, outlet temperature, flow rate, and diagnostic alerts.
• Flow sensor technology — helps monitor water movement and protect against dry firing.
• Solid-state controls — helps reduce noisy mechanical contactor operation.
• Low-temperature protection mode — helps protect the heater during sharp water temperature drops.
• Freeze protection shutdown — shuts the unit down if inlet temperature reaches freezing conditions.
• Time-delay protection — delays element energizing to help prevent element damage.
• 2" union connections — supports professional plumbing installation and easier service access.
• No gas or venting required — electric operation eliminates fuel line and combustion venting requirements.

Benefits

The Raypak E3T 11kW heater gives pool and spa owners a compact electric heating option with strong materials and user-friendly digital controls. Because it runs on electricity, it does not require a natural gas line, propane tank, or gas venting system.

The titanium heating elements and 316L stainless steel construction make it a durable choice for properly maintained saltwater and chlorinated pools. The digital display and diagnostic alerts help simplify operation and troubleshooting for pool professionals.

For applications with sufficient electrical capacity, the 11kW E3T provides a clean, compact, and reliable way to heat spa water or smaller pool applications.

Specifications

Included Components

• 1 × Raypak E3T 11kW electric pool and spa heater
• Titanium heating element assembly
• Digital control center
• 2" union connection set
• Manufacturer-supplied installation documentation

Electrical breakers, wiring, disconnect, bonding materials, plumbing valves, additional fittings, GFCI protection where required, and installation labor are sold separately unless specifically included by the supplier.

Installation Notes

This heater must be installed by a qualified pool professional and licensed electrician. Proper installation requires correct electrical service, breaker sizing, wire sizing, bonding, grounding, GFCI protection where required, plumbing flow verification, and startup testing.

Before installation, confirm that the electrical service can support an 11kW, 240V single-phase electric heater. The system must provide proper water flow through the heater, commonly referenced at 15–60 GPM.

Do not energize the heater without proper water flow. Water chemistry should be maintained within recommended ranges to protect the titanium elements, stainless steel body, and connected pool/spa equipment.

Customer-Facing Q&A

Q: What is the Raypak 100-10000663?
A: It is a Raypak E3T Electric 3-Series Titanium pool and spa heater rated at 11kW / approximately 37,534 BTU/hr.

Q: What is the SKU?
A: The SKU is 100-10000663.

Q: What is the UPC?
A: A verified UPC was not publicly available for this item. Use the UPC from supplier packaging or invoice if required.

Q: What is the model number?
A: The model / type is ELS-R-0011-1-TiB.

Q: How many kilowatts is this heater?
A: This model is rated at 11kW.

Q: How many BTUs does it produce?
A: It produces approximately 37,534 BTU/hr.

Q: What voltage does it require?
A: It requires 240V single-phase electrical service.

Q: What plumbing size does it use?
A: It comes standard with 2" union connections.

Q: What is the minimum flow rate?
A: The minimum flow rate is commonly listed as 15 GPM.

Q: Is this suitable for saltwater systems?
A: Yes. It is built with titanium heating elements and 316L stainless steel, making it suitable for properly maintained saltwater pool and spa systems.

Q: Does this require gas or venting?
A: No. This is an electric heater and does not require natural gas, propane, or gas venting.

Q: Should this be professionally installed?
A: Yes. Professional pool and licensed electrical installation is required due to the heater’s electrical load, bonding, grounding, plumbing, and safety requirements.