Rheem Multipak MPE04
SunCity Hot Water supplies, installs and services the Rheem Multipak MPE04 across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Choose the Rheem Multipak MPE04 for a reliable, efficient hot water supply tailored to high-demand environments. Contact SunCity Hot Water today to learn more about how this system can meet your facility’s needs.

Key Features
Meets High Demand When Needed
The Rheem Multipak MPE04 features a staged ignition system engineered for large and intermittent hot water demands. This ensures efficient operation during peak usage without unnecessary heating during low-demand periods, guaranteeing optimal performance in busy environments.
Fast and Efficient to Install
Installation is straightforward with the Rheem Multipak MPE04. Each system is factory-tested before dispatch, ensuring quality control, reducing on-site delays, and streamlining the process for reliable hot water delivery.
Flexible Tempering Options
The system offers flexible tempering modes for diverse applications. The 60°C mode suits dead leg and recirculation systems with built-in tempering, while the 50°C mode is ideal for dead-leg applications, eliminating the need for external tempering devices. This flexibility ensures both safety and efficiency.
Product Documents

Staged Delivery on Demand
The Rheem Multipak MPE04’s staged delivery system ensures hot water is supplied precisely when required. This efficient management of hot water demand helps to minimise energy waste, making it suitable for busy facilities.

Installation Flexibility
With options for left or right-hand plumbing, the Rheem Multipak MPE04 adapts easily to existing setups and various spatial configurations. This feature simplifies installation and enhances versatility.
Suitable for Dead Leg and Recirculation Systems
Designed to perform effectively in both dead-leg and recirculation systems, this hot water unit ensures consistent availability and reliable performance across a range of commercial and residential applications.
Installation, Maintenance & Warranty
Installation

The Rheem Multipak MPE04 is pre-engineered and factory-tested to ensure quality and ease of installation. This pre-assembled system reduces complexity and setup time, ensuring a smooth transition to reliable hot water availability.
Maintenance

Regular maintenance ensures optimal performance and longevity. This includes periodic checks of tempering devices and the staged ignition system in accordance with manufacturer guidelines.
Warranty
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The Rheem Multipak MPE04 is backed by a solid commercial warranty:
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5-year warranty on parts (heat exchanger) when the thermostat does not exceed 75°C.
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12-month warranty on the heat exchanger when the thermostat exceeds 75°C.
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12-month warranty on parts and labour.
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Frequently Asked Questions
What is high-efficiency continuous flow?
High-efficiency continuous flow systems deliver uninterrupted hot water without a storage tank. By heating on demand, they significantly reduce energy consumption compared to traditional storage systems.
How does the pre-engineered and assembled design benefit installation?
The pre-engineered, factory-assembled design of the Rheem Multipak MPE04 simplifies installation by reducing setup time and complexity. This minimises on-site disruption, allowing facilities to resume normal operations faster.
Are 50°C limited systems suitable for all applications?
No. 50°C limited systems are specifically intended for dead-leg applications. Other applications may require different temperature settings to ensure safety and efficiency.
How much does a new hot water system cost?
The cost of a new hot water system depends on the type and size. Electric storage systems are the most affordable upfront, while heat pump and solar systems cost more but save on running costs and may qualify for rebates. Call SunCity Hot Water on 1300 728 122 for an all-inclusive supplied-and-installed quote on the Rheem Multipak MPE04.
How long does a hot water system last?
Most hot water systems last 8–12 years. Electric storage systems typically last 8–10 years, while heat pump and solar systems can last 15 years or more with regular servicing.
What size hot water system do I need?
As a guide, 1–2 people suit 125–160L, 3–4 people (a family of four) suit 250–315L, and larger households suit 400L. Continuous-flow gas units are sized by hot water flow rate instead. SunCity will help size the right system for your household.
How much does it cost to install a hot water system?
SunCity Hot Water quotes all-inclusive pricing — supply, installation by licensed plumbers and electricians, tempering and pressure-relief valves, removal of the old unit, QBCC fees and GST — with no hidden extras. Call 1300 728 122 for a fast quote.
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