Isotemp 6P4031SPA0100 - 230V/750W SPA 40L Stainless Steel Marine Heater without Safety, Mixing Valve

Isotemp 6P4031SPA0100 Spa 40L Marine Water Heater 230V / 750W (Without Safety Valve & Mixing Valve)

The Isotemp 6P4031SPA0100 Spa 40L (11-gallon) water heater provides a durable, cost-efficient hot-water solution for marine systems that use external temperature and pressure-control hardware. As part of the Isotemp Spa series, it maintains high marine manufacturing standards with a corrosion-resistant stainless-steel inner tank and a robust polypropylene outer casing.

This configuration is supplied without an integrated safety valve and without a mixing valve, making it ideal for vessels with centralized system components or predefined plumbing architecture. A 230V / 750W immersion heating element ensures stable, efficient heat-up performance suited for medium to large vessels using 230V AC electrical networks.

Key Features

• 40-liter (11-gallon) Spa-series stainless-steel marine water heater.
• 230V / 750W electric immersion heating element.
• Stainless-steel inner tank for superior marine corrosion resistance.
• Polypropylene outer casing for lightweight durability and thermal stability.
• Delivered without safety valve (external pressure control required).
• Delivered without mixing valve (external temperature control required).
• Compact cylindrical dimensions for flexible installation aboard vessels.

Technical Specifications

Installation and Applications

• Designed for vessels with external pressurization and temperature-regulation systems.
• Suitable for mid-size and large sailboats, motor cruisers and commercial craft.
• Cylindrical form factor supports installation in engine rooms, lockers and service compartments.
• Ideal for refitting projects that integrate centralized hot-water hardware.

Included in the Package

• Isotemp Spa 40L water heater (without safety & mixing valves)
• 230V / 750W immersion heater (factory installed)
• Polypropylene outer shell
• Installation and safety documentation

The Isotemp Spa 40L 230V / 750W (without safety and mixing valves) is a rugged, marine-grade water heater designed for technical installations where protective and mixing components are integrated externally.