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RHEEM RTG20316L Combustion Fan Natural Gas Combi Boiler Boiler.

Rtg20316l Rheem Combustion Fan Natural Gas Combi Boiler. Same Day Shipping

( Brand: Rheem ), ( Manufacturer Part Number: RTG20316L ), ( Part Type: Fan Boiler ), ( Power Source: Gas ), ( Voltage: 115 V )

Review RHEEM Combustion Fan Natural Gas Combi Boiler. Same Day Shipping

The **Rheem RTG20316L** is a high-performance, condensing **natural gas combi boiler** engineered to deliver exceptional efficiency, reliability, and space-saving convenience for residential heating and domestic hot water needs. Part of Rheem s trusted **RTG series**, this **wall-mounted condensing boiler** operates on a **modulating gas valve system**, ensuring precise control over combustion for optimal energy savings while maintaining consistent performance across varying demand levels. With a **maximum output of 200,000 BTU/hour**, this boiler is well-suited for homes requiring robust heating and hot water delivery, making it an ideal choice for both new installations and replacements in moderate to larger-sized properties. Its **condensing technology** maximizes efficiency by extracting additional heat from the combustion gases, reducing energy waste and lowering operational costs compared to traditional non-condensing models.

The **RTG20316L** features Rheem s **advanced combustion fan system**, which enhances airflow and combustion efficiency, resulting in cleaner burn, reduced emissions, and quieter operation. This boiler is **certified to meet or exceed EPA and local emissions standards**, ensuring compliance with environmental regulations while providing homeowners with a quieter, more efficient heating solution. Its **compact, sleek design** allows for easy installation in tight spaces, such as closets or utility rooms, without sacrificing performance. The unit is equipped with a **user-friendly digital control panel**, offering intuitive temperature and hot water settings, along with **fault diagnostics** to simplify troubleshooting and maintenance.

Built with **durable materials and robust construction**, the **RTG20316L** is designed for long-term reliability, featuring a **stainless steel heat exchanger** that resists corrosion and extends the boiler s lifespan. Its **sealed combustion system** ensures safe operation by drawing air from outside the home, eliminating the need for a chimney and reducing the risk of carbon monoxide leaks. The boiler also incorporates **Rheem s patented EcoNet technology**, enabling seamless integration with smart thermostats and home automation systems for enhanced energy management and remote control via compatible devices. Whether heating radiators, underfloor systems, or providing instant hot water on demand, the **RTG20316L** delivers **superior performance, energy efficiency, and peace of mind** for homeowners seeking a modern, high-efficiency heating solution.

### **Pros and Cons of the Rheem RTG20316L Combination Boiler (Natural Gas, Condensing, Combustion Fan)**

#### **Pros:**

1. **High Efficiency** The RTG20316L is a condensing boiler, meaning it extracts more heat from combustion gases, reducing energy waste and lowering fuel costs compared to non-condensing models. It typically achieves an efficiency rating of around **95% AFUE (Annual Fuel Utilization Efficiency)**, which is well above the minimum efficiency standards in many regions.

2. **Combination (Combi) Functionality** As a combi boiler, it provides both **domestic hot water (DHW) and central heating** from a single unit, eliminating the need for a separate water heater. This saves space and reduces installation complexity.

3. **Compact Design** Combi boilers are generally smaller than traditional boilers, making them ideal for homes with limited space, such as apartments or renovated properties.

4. **Modulating Burner** The boiler features a **modulating burner**, which adjusts its output based on demand. This improves efficiency by avoiding unnecessary high-fire operation and provides more consistent heating and hot water delivery.

5. **Natural Gas Compatibility** Since it runs on natural gas, it offers a reliable and widely available fuel source with relatively stable pricing (compared to oil or electricity).

6. **Low Water Pressure Operation** Combi boilers typically operate at lower water pressures than traditional systems, reducing the risk of leaks and extending the lifespan of plumbing fixtures.

7. **Smart Features (Depending on Model)** Some Rheem combi boilers come with **digital controls, fault diagnostics, and compatibility with smart home systems**, making maintenance and troubleshooting easier.

8. **Environmentally Friendly** Due to its high efficiency, it produces fewer emissions per unit of heat generated compared to older, less efficient boilers.

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#### **Cons:**

1. **Limited Hot Water Output** Combi boilers are designed for **single-point usage** (e.g., one shower or sink at a time). If multiple fixtures (e.g., shower dishwasher washing machine) are used simultaneously, water pressure and temperature may drop. This can be an issue in larger households or homes with high demand.

2. **Dependence on Mains Water Pressure** If your home s water pressure is low, the combi boiler may struggle to deliver adequate hot water flow. A **pressure booster pump** may be required, adding to installation costs.

3. **Higher Upfront Cost (Compared to Traditional Boilers)** While combi boilers save on space and installation complexity, they can be **more expensive upfront** than traditional boilers, especially in homes where a separate water heater was previously needed.

4. **Potential for Plumbing Strain** The high-pressure hot water delivery can sometimes **stress older plumbing systems**, leading to leaks or bursts if pipes are not up to code. A **pressure-reducing valve (PRV)** may be necessary.

5. **Maintenance Requirements** Like all boilers, the RTG20316L requires **annual servicing** to ensure optimal performance and safety. Neglecting maintenance can lead to **reduced efficiency, higher energy bills, or even breakdowns**.

6. **Limited Lifespan Compared to Traditional Boilers** Combi boilers typically last **10 15 years**, whereas traditional boilers (with separate water heaters) can sometimes last longer if the water heater is well-maintained. However, modern combi boilers are designed for durability.

7. **Installation Complexity** While combi boilers are compact, improper installation (e.g., incorrect sizing, poor venting, or electrical issues) can lead to **poor performance, safety hazards, or voided warranties**. Professional installation is strongly recommended.

8. **Not Ideal for Off-Grid or Low-Gas-Pressure Areas** If your home has **very low natural gas pressure**, the boiler may struggle to operate efficiently. A **gas pressure booster** might be needed, increasing costs.

9. **Potential for Scaling in Hard Water Areas** In regions with **hard water**, mineral deposits can build up in the boiler and pipes over time, reducing efficiency. A **water softener** or regular descaling may be necessary.

10. **Limited Expansion Options** Unlike traditional boilers, combi boilers do not have a separate hot water cylinder, so upgrading for higher demand (e.g., adding a second bathroom) requires replacing the entire system.

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### **Conclusion**

The **Rheem RTG20316L** is a **high-efficiency, space-saving combi boiler** that excels in **small to medium-sized homes** where **domestic hot water and heating are needed simultaneously**. Its **modulating burner and condensing technology** make it energy-efficient, while its **compact design** is ideal for modern or renovated properties.

However, it is **not ideal for large households with high hot water demand** or homes with **low water pressure or poor plumbing infrastructure**. The **upfront cost may be higher** than a traditional boiler, and **proper installation and maintenance** are critical to avoid performance issues.

### **Recommendation**

- **Buy the Rheem RTG20316L if:**

- You live in a **small to medium-sized home** (1 3 bathrooms).

- You want a **single-unit solution** for heating and hot water.

- Your home has **adequate water pressure** and **proper gas supply**.

- You are willing to **budget for professional installation and annual servicing**.

- You prefer **energy efficiency and lower running costs** over a traditional system.

- **Consider an Alternative if:**

- Your household has **very high hot water demand** (e.g., multiple showers, large families).

- Your home has **low water pressure** or **poor plumbing**.

- You are in a **hard water area** and are concerned about scaling.

- You prefer a **traditional boiler with a separate hot water cylinder** for reliability.

- **Additional Tips:**

- **Get a professional assessment** of your home s heating and water needs before purchasing.

- **Ensure proper ventilation** is in place for the combustion fan model.

- **Check for government incentives** (e.g., rebates for high-efficiency boilers) to offset costs.

- **Compare models** Rheem offers other combi boilers (e.g., RTG20316L vs. RTG20416L) with slightly different outputs; choose based on your home s requirements.

Overall, the **RTG20316L is a solid choice for the right homeowner**, but it is not a one-size-fits-all solution. Proper planning and installation will ensure it performs reliably for years.

Details:

All parts sold are shipped via us postal. Rheem RTG20316L combustion fan for NATURAL gas Combi boiler. Boiler was only 2 yrs old.

part #: rtg20316l price

  • $125.00

specifications fablowehva:

  • brand: Rheem
  • mpn: Rtg20316l
  • part type: Fan Boiler
  • power source: Gas
  • voltage: 115 V

general fablowehva:

  • HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Fans Blowers
  • condition: Used

seller fablowehva:

  • # reviews: 2708
  • rating: 99.8%
  • city: Riverhead, New York

offer fablowehva:

  • quantity: 1
  • started: May 13, 2026
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock

returns fablowehva:

  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days
  • paid by: Buyer

shipping fablowehva:

  • type: Fixed
  • cost: $14.00
  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • transit: 4-8 Days

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part type: fan boiler, power source: gas, voltage: 115 v,
category: business & industrial > hvac refrigeration > hvac refrigeration: parts accessories > hvac refrigeration: fans blowers, sku: 13273480436291711,
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1 offer $125.00 USD
  • Used. Offer #1 priced at $125.00 + $14.00 shipping estimate = $139.00* total. Boiler was only 2 yrs old. Rheem combustion fan for NATURAL gas Combi boiler.+$14.00 shipping

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