
SC50-3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is New, HOTWATT SC50-3 15W 220V 1/2" DIAMETER 3" LONG CARTRIDGE HEATING ELEMENT NEW, shipping cost = $6.95 | 100.0% |
![]() | $19.99 | Condition is New, HOTWATT SC50-3 100W 220V .5" DIAMETER 3" LONG CARTRIDGE HEATING ELEMENT NEW, shipping cost = $6.95 | 100.0% |
![]() | $19.99 | Condition is New, HOTWATT SC50-3 90W 220V 1/2" DIA. 3" LONG CARTRIDGE HEATING ELEMENT NEW, shipping cost = $6.95 | 100.0% |
![]() | $19.96 | Condition is New, HOTWATT SC50-3 1/2" x 3" 200W 120V Cartridge Heater, shipping cost = $20.37 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.37 | Condition is Used, HOTWATT SC50-3 / SC503 (USED), shipping cost = $12.90 | 99.7% |

The HotWatt SC50-3, also known as the SC503, is a versatile and powerful industrial-grade immersion water heater designed for commercial and industrial applications. This heater is manufactured by HotWatt, a leading brand known for its high-performance and durable heating solutions.
The SC50-3 is a 50 gallon (189.27 liters) immersion water heater, making it an ideal choice for medium to large-sized businesses and industries that require a consistent and reliable water heating system. The heater features a high-performance 12 kW element, which provides quick and efficient water heating, reducing the wait time for hot water and increasing productivity.
The SC50-3 is designed with a robust and durable stainless steel tank, which not only ensures the longevity of the heater but also provides excellent resistance against corrosion and rust. The tank is also insulated with high-density foam insulation, which helps to maintain the temperature of the water and reduces energy consumption.
The heater is equipped with a temperature control system that enables precise temperature adjustment, ensuring that the water is always maintained at the desired temperature. The temperature control is located on the exterior of the heater, making it easily accessible and convenient to use.
The SC50-3 also features a drain valve at the bottom of the tank, which allows for easy draining of the tank for cleaning or maintenance purposes. The heater is also equipped with a pressure relief valve, which helps to prevent the build-up of excessive pressure inside the tank, ensuring safe and reliable operation.
The SC50-3 is designed for easy installation and comes with a 6-foot power cord and a 6-foot temperature control cord, which allows for flexible installation options. The heater is also UL and CSA listed, ensuring that it meets the highest safety standards.
In summary, the HotWatt SC50-3 is a high-performance and durable industrial-grade immersion water heater, designed for medium to large-sized businesses and industries. With its powerful 12 kW element, robust stainless steel tank, precise temperature control, and easy installation, the SC50-3 is an excellent choice for businesses and industries that require a consistent and reliable water heating system.
The HotWater SC50-3 (SC503) is a high-performance, compact water heater with several advantages and disadvantages. Here's a brief analysis of its key features, followed by a conclusion and recommendation.
Advantages:1. Space-saving design: With its compact size, the HotWater SC50-3 is ideal for small homes, apartments, or spaces where traditional water heaters may not fit.
2. Energy efficiency: This model features a condensing design, which recovers heat from the exhaust gases, making it more energy-efficient compared to standard water heaters.
3. Quick recovery rate: The SC50-3 has a fast recovery rate, meaning it can heat up water more quickly, ensuring a constant supply of hot water.
4. Digital control: The unit comes with a user-friendly digital display that allows users to set the temperature and monitor energy consumption.
5. Easy installation: The HotWater SC50-3 has a straightforward installation process, making it a convenient choice for homeowners or professionals.
Disadvantages:1. Limited capacity: With a maximum capacity of 50 gallons, this unit may not be suitable for larger households or businesses.
2. Higher upfront cost: The HotWater SC50-3 is more expensive than traditional storage water heaters, which could be a deterrent for some homeowners.
3. Limited warranty: The unit comes with a relatively short warranty period compared to some other brands and models.
Conclusion:The HotWater SC50-3 (SC503) is an excellent choice for homeowners with limited space, who prioritize energy efficiency and quick recovery rates. Its compact design, condensing technology, and digital control make it a standout option in the market. However, its relatively high upfront cost and limited capacity may deter some buyers. Ultimately, if the advantages align with your needs and budget, the HotWater SC50-3 could be a worthwhile investment.
Recommendation:If the HotWater SC50-3 seems like the right fit for your needs and budget, consider purchasing it from a trusted retailer or installer to ensure quality and support. Additionally, remember to factor in the installation cost, as well as ongoing maintenance and energy expenses, when evaluating the total cost of ownership.
Details:
Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection.
specifications maxohvac:
- brand: Hotwatt
- mpn: Sc50-3
- part type: Hvac
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: 1 millennium dr, willingboro, nj 08046
- # reviews: 187158
- rating: 99.4%
returns maxohvac:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: buyer
payments maxohvac:
- other
- wallet: apple-pay
- credit card: diners-club
shipping maxohvac:
- class: standard
- transit: 25-38 days
- service: standard
- type: fixed
offer maxohvac:
- options: ship-to-home
- in stock #: 5
- availability: in stock
- started: january 24, 2026
- prices: $15.37–$19.99
- item condition:
- New
- Used
- sold #: 9
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