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Rheem IKONIC 11.2 GPM Liquid Propane Tankless Water Heater Review: Specs, Pros and Cons

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This rheem ikonic 11 2 gpm liquid propane tankless water heater review covers the RECTGH-SR11iP model. It delivers 199,900 BTUs of heating power and flows 11.2 gallons per minute. The unit uses liquid propane fuel and is designed for indoor installation. Its compact dimensions allow for flexible placement in tight spaces. You get continuous hot water for multiple household uses. The system includes built-in recirculation to reduce wait times. This guide explains how these specifications impact your daily hot water supply and energy efficiency.

What stands out

  • 11.2 GPM flow rate with recirculation for whole-house coverage
  • 199,900 BTU/hr output for rapid heating
  • Built-in EcoNet Wi-Fi for remote monitoring and control
  • Compact 28.6 x 17.3 x 13.7 inch footprint

Who it fits

Good fit for

This unit suits large households with high simultaneous hot water demand. The 11.2 GPM flow rate supports multiple showers and appliances running at once. It is ideal for homes already equipped with liquid propane fuel lines. The indoor design fits utility rooms or basements. Users who want to track energy usage via smartphone will appreciate the Wi-Fi connectivity. The recirculation feature helps those tired of waiting for hot water at distant fixtures.

Who should skip it

You should look elsewhere if you live in a home without propane access. This model requires a liquid propane connection, not natural gas. If you need outdoor installation, this unit is rated for indoor use only. You would need an additional outdoor conversion kit for exterior mounting. Buyers seeking a non-condensing unit might find the compact size limiting. Those who do not need recirculation can choose a simpler, potentially smaller variant from the same series.

Verdict: The Rheem IKONIC 11.2 GPM Propane Tankless Water Heater offers high flow and smart connectivity for large propane-fed homes. It is a strong choice for users needing whole-house coverage with remote control features.

Key specs explained

11.2 GPM Flow Rate

This flow rate indicates the volume of hot water the unit delivers each minute. You can expect sufficient pressure for multiple simultaneous uses, such as a shower and a kitchen sink. This capacity suits larger households with higher demand. When shopping, compare this against your peak usage needs to ensure the unit does not struggle during busy times.

199,900 BTUs

BTU measures heating power. This high output ensures the water reaches the desired temperature even during cold weather or high flow rates. It provides consistent performance for liquid propane models. Compare this figure with other units to gauge heating efficiency. Higher BTUs generally mean better ability to maintain temperature under heavy load conditions.

Liquid Propane Fuel

This unit runs on propane gas rather than natural gas or electricity. You need a propane tank or supply line for operation. This fuel type is common in rural areas without gas grid access. Check your local fuel availability and pricing when comparing options. Propane units often offer high efficiency but require specific venting and installation standards.

Indoor Installation

The design specifies indoor placement only. You must install it within a protected environment, such as a garage or utility room. Outdoor exposure can damage components not rated for weather. Compare this with outdoor-rated models if you have limited indoor space. Indoor units often have different venting requirements and may need specific clearance from walls.

28.6 x 17.3 x 13.7 inches

These dimensions define the physical footprint of the heater. The compact size allows for flexible placement in tight spaces like closets or utility areas. Measure your intended installation spot carefully to ensure fit. Compare these dimensions with other models to maximize space efficiency. The vertical orientation may suit narrow alcoves better than wider units.

Design and Build Analysis

The Rheem IKONIC RECTGH-SR11iP features a gray finish that complements standard utility spaces. According to the listing, the unit measures 28.6 inches in height, 17.3 inches in width, and 13.7 inches in depth. This compact footprint allows for flexible placement in tight areas like closets or mechanical rooms. The design includes a quick hang bracket to simplify mounting on interior walls.

Weighing 86 pounds, the heater requires a sturdy wall structure for secure installation. The unit is rated for indoor use only, which dictates where you can place it within your home. However, the listing notes outdoor installation capability is possible if you purchase a separate outdoor conversion kit. This option adds flexibility for specific layout needs or aesthetic preferences.

The build supports its high 199,900 BTU output through a condensing design. This technology helps manage exhaust heat efficiently within the compact casing. The layout includes built-in recirculation capabilities, which reduces the need for external pumps in many setups. The EcoNet Wi-Fi module is integrated directly into the unit’s housing. This allows you to control temperature and recirculation settings remotely without adding external devices. The design prioritizes space efficiency and modern connectivity for contemporary homes.

Setup And Everyday Use Guide

Installation requires an indoor location due to the unit’s design. The compact dimensions of 28.6 by 17.3 by 13.7 inches allow for flexible placement. You benefit from a quick hang bracket and a half-inch side clearance, which simplifies mounting in tight utility spaces. The unit weighs 86 pounds, so ensure your wall structure supports this load. You must connect it to a liquid propane fuel source, as specified by the 199,900 BTU/hr rating.

For daily operation, the built-in recirculation feature helps eliminate the wait for hot water. This function saves an average of 11,000 gallons of water annually by keeping water moving in the pipes. You can customize these settings to match your household’s usage patterns. The unit also includes EcoNet Wi-Fi technology. This feature lets you control temperature and recirculation settings from a mobile device. You can track energy and water usage directly through the app. Important maintenance alerts are also sent to your phone, allowing you to address issues before they affect performance.

The 11.2 GPM flow rate ensures you have enough immediate hot water for multiple applications. You can run a shower and a dishwasher simultaneously without pressure loss. The ultra-low NOx burner helps reduce greenhouse gas emissions, supporting sustainable home operation. This model is part of a series with six variations, including options with and without recirculation. You should select the specific configuration that matches your home’s plumbing needs. The indoor installation requirement means you cannot place this unit outside without an additional outdoor conversion kit.

Before You Buy This Propane Unit

Before you finalize your purchase of the Rheem IKONIC RECTGH-SR11iP, verify your home’s gas infrastructure supports liquid propane. This unit requires a dedicated propane line and appropriate venting for indoor condensing operation. You must also ensure your electrical system can power the built-in EcoNet Wi-Fi module for remote temperature and recirculation control. Consider whether the 11.2 GPM flow rate aligns with your household’s peak demand, especially if you have multiple bathrooms. Compare this model against the other 1 options in this guide to see if a lower GPM or different fuel type better suits your space. Regular maintenance includes checking the air intake and exhaust for debris. The recirculation feature helps reduce water waste, but you need to install the necessary piping to utilize it effectively. Ensure your installer is familiar with compact units that require only half-inch side clearance.

Check before you buy

  • Confirm your home has a liquid propane gas line ready for connection.
  • Verify your electrical outlet can support the EcoNet Wi-Fi control module.
  • Check if your plumbing layout allows for the built-in recirculation loop.
  • Ensure your installer is experienced with compact indoor condensing units.
  • Compare the 11.2 GPM output against other 1 models in this guide.

The product at a glance

Rheem IKONIC 11.2 GPM Propane Tankless Water Heater

Best for: Large homes needing high flow and smart control

Fuel Type
Liquid Propane
Flow Rate
11.2 GPM
BTU
199,900 BTU/hr
Installation Location
Indoor
Dimensions
28.6 x 17.3 x 13.7 inches
Features
WiFi

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The Rheem IKONIC RECTGH-SR11iP is a high-output liquid propane tankless water heater designed for indoor installation. It delivers 11.2 GPM with a powerful 199,900 BTU/hr burner. The unit includes built-in recirculation and EcoNet Wi-Fi for remote control. Its compact 28.6 x 17.3 x 13.7-inch frame fits tight spaces. This model suits large households needing simultaneous hot water for multiple fixtures.

Pros

  • 11.2 GPM flow rate supports multiple simultaneous uses
  • 199,900 BTU/hr output for high demand
  • Built-in recirculation saves water and energy
  • EcoNet Wi-Fi enables mobile app control
  • Ultra-low NOx burner reduces emissions

Cons

  • Indoor installation only without outdoor kit
  • 86-pound weight requires sturdy mounting
  • No remote control included

Good fit if

  • You need high flow for large homes
  • You want smart home integration via Wi-Fi
  • You prefer propane fuel source

Skip if

  • You require outdoor installation only
  • You have limited space under 17 inches wide
  • You need electric power source

Verdict: Rheem IKONIC 11.2 GPM Propane delivers robust performance for busy households. It fits buyers who prioritize high flow and smart features over compact outdoor placement.

Specifications side by side

Spec Rheem IKONIC 11.2 GPM Propane Tankless Water Heater
Fuel Type Liquid Propane
Flow Rate 11.2 GPM
BTU 199,900 BTU/hr
Installation Location Indoor
Dimensions 28.6 x 17.3 x 13.7 inches
Features WiFi
Weight 86 pounds
Size 11.2 GPM (w Recirc)
Color Gray
Model RECTGH-SR11iP

Frequently asked questions

Is the Rheem IKONIC 11.2 GPM suitable for large families?

Yes, this unit is designed for large homes needing high flow and smart control. It delivers 11.2 gallons per minute, which supports multiple simultaneous uses like showers and sinks. This capacity ensures busy households have consistent hot water access without pressure drops during peak usage times.

Can I install this tankless heater in my garage?

No, the Rheem IKONIC RECTGH-SR11iP is designed for indoor installation only. You must place it in a protected, climate-controlled environment. This requirement ensures the internal components remain safe from freezing temperatures and outdoor weather elements that could damage the unit or void its operational integrity.

Does this model connect to Wi-Fi for remote monitoring?

Yes, the unit includes built-in WiFi capabilities via the EcoNet system. You can monitor and control the water heater remotely using your smartphone. This feature allows you to adjust settings or check status from anywhere, providing convenience and energy management for your household water heating needs.

What are the physical dimensions of the Rheem IKONIC heater?

The unit measures 28.6 inches in height, 17.3 inches in width, and 13.7 inches in depth. It weighs 86 pounds. These compact dimensions allow for flexible placement in utility spaces, closets, or garages, provided you have adequate clearance for ventilation and maintenance access as specified in the manual.

What fuel type does this tankless water heater use?

This model uses liquid propane as its fuel source. You must ensure your home has a dedicated propane line and appropriate venting for indoor condensing operation. It is not compatible with natural gas or electric power sources, so verify your existing infrastructure before proceeding with installation.

Is the Rheem IKONIC 11.2 GPM heavy?

Yes, the unit weighs 86 pounds. You should have assistance during installation to safely mount it on the wall. The weight ensures stability but requires secure anchoring to handle the load, especially when considering the weight of connected pipes and the operational vibration during heating cycles.

What is the model number for this specific Rheem unit?

The model number is RECTGH-SR11iP. You can use this identifier to verify compatibility with your existing gas lines and venting systems. It also helps in ordering replacement parts or consulting technical support for specific troubleshooting steps related to this particular 11.2 GPM propane tankless water heater.

See also