Rinnai Heavy Duty 3-Phase Electric Storage Hot Water Cylinder 340L

Description

The Rinnai® Heavy Duty 3-Phase Electric Storage Hot Water Cylinder 340L is a high-capacity, high-input electric storage solution engineered to meet the most demanding hot water requirements in commercial and large residential settings. With three large heating elements, high flow rate pipe connections, and the ability to be integrated into manifold systems, the 340L is designed to deliver reliable, high-volume hot water wherever it is needed most.

Building Code Compliant

The Rinnai® Heavy Duty 3-Phase 340L is the only compliant product of this configuration on the New Zealand market, providing assurance that your installation meets all local regulatory requirements.

Energy Efficient

Well-insulated construction minimises standby heat loss, keeping running costs manageable even in high-demand commercial and large-scale residential applications.

Quicker Recovery

Three large elements — available in 3 x 3.3 kW, 3 x 4.4 kW, or 3 x 5.5 kW configurations — deliver rapid recovery rates, ensuring a continuous supply of hot water under sustained demand.

High Flow Rates

Larger pipe connections provide high flow rates throughout the system, making the 340L ideal for facilities with multiple simultaneous hot water draws.

Versatile Installation

Designed for both indoor and outdoor installation, the 340L can be sited flexibly to suit a wide variety of commercial and residential building configurations.

Y Class Vitreous Enamel Lined

The high-quality Y class vitreous double enamel inner cylinder offers exceptional corrosion resistance, protecting the unit over the long term and ensuring reliable performance throughout its service life.

Technology Highlights

3-Phase Power

Requires 400 V 3-phase electrical connection, with elements also compatible with 230 V single phase, providing flexibility for a range of commercial and large residential electrical setups.

Mains Pressure Delivery

Delivers mains pressure hot water throughout your building, ensuring strong, consistent flow to all taps, showers, and appliances — even under high simultaneous demand.

High Density Polyurethane Insulation

Expanded polyurethane foam insulation reduces standby heat loss, maintaining water temperature efficiently between heating cycles for improved energy performance.

IPX4 Water Protection

Rated IPX4 for protection against water ingress, the 340L is suited to both indoor and exposed outdoor installation environments across New Zealand.