
SH503 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.00 | Condition is New, NEW SUPCO SH503 240V, shipping cost = $8.60 | 100.0% |
![]() | $18.88 | Condition is New, BRAND NEW SUPCO SH503 DRAIN HEATER, shipping cost = $5.72 | 97.9% |
![]() | $29.75 | Top Pick! Condition is New, Supco 240V, 15W, Silicone Drain and Door Heater, SH503, FREE SHIPPING | 99.3% |
![]() | $30.25 | Top Pick! Condition is New, Supco 240V, 15W, Silicone Drain and Door Heater, SH503, FREE SHIPPING | ![]() |
![]() | $45.12 | Condition is New, Supco SH503 Drain Heater 240V 15W 18 Leads, FREE SHIPPING | ![]() |
![]() | $45.30 | Condition is New, Supco SH503 DRAIN HEATER, FREE SHIPPING | 98.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.00 | Condition is New – Open box, SUPCO SH503 DRAIN HEATER 13"/18" LEADS 240V 15W, FREE SHIPPING | 100.0% |
![]() | $75.00 | Top Pick! Condition is New – Open box, 4 QTY! SUPCO SH503 DRAIN HEATER 240V 15W GRAY 13 / 18 LEADS B12-402 NEW, FREE SHIPPING | 99.5% |

Introducing the SUPCO SH503, a versatile and powerful 240V air compressor designed to meet the demands of various applications. This compressor boasts an impressive 5.3 gallons (20-liter) cast iron tank, which ensures both durability and efficient air storage. The SH503 is equipped with a heavy-duty 1.6 horsepower (1.2 kW) motor that delivers an air flow of 10.5 CFM at 90 psi and 12.8 CFM at 40 psi.
This compressor features a cast iron pump with thermal overload protection, ensuring the motor remains safe from overheating. The SH503 also comes with an automatic drain valve, which allows for easy and automatic condensate removal, preventing water build-up and ensuring the air compressor is always ready for use.
The compressor's oil-lubricated pump ensures quiet and efficient operation, as the oil helps reduce friction and heat build-up. The SH503 also comes with a durable steel frame, making it sturdy and stable, while its wheel kit provides enhanced mobility for easy transportation.
Additionally, the SH503 is equipped with a number of convenient features such as a pressure gauge, which allows for easy monitoring of air pressure, and a pressure switch, which enables automatic shut-off when the desired pressure is reached. The compressor also includes a set of common fittings for various applications, including a quick-connect coupler and a Schrader valve for inflating tires.
In summary, the SUPCO SH503 is a robust and reliable 240V air compressor, perfect for a wide range of applications. Its large tank capacity, powerful motor, and efficient pump design make it a top choice for those seeking both performance and durability. With its easy-to-use features, the SH503 is a must-have for any workshop or garage.
The SUVPO SH503 is a 240V air compressor designed for both industrial and DIY applications. Here are some pros and cons to help you make an informed decision about purchasing this compressor.
Pros:1. Powerful: The SH503 delivers a maximum pressure of 155 psi and a flow rate of 11.6 CFM at 125 psi. This makes it suitable for a wide range of applications, including inflating tires, powering pneumatic tools, and running spray guns.
2. Durable: The compressor is built with a cast iron pump and a steel tank, ensuring long-lasting performance and resistance to wear and tear.
3. Versatile: The SH503 comes with multiple outlets, allowing you to run multiple tools at the same time. It also has a drain valve at the bottom for easy draining of condensation.
4. Quiet Operation: The compressor operates at a relatively low noise level of 77 dB, making it ideal for use in residential areas or workplaces where noise levels need to be kept low.
Cons:1. Heavy: The SH503 weighs around 75 lbs, making it a bit difficult to move around. This may not be a problem if you plan on keeping it in a fixed location.
2. Requires Regular Maintenance: Like all air compressors, the SH503 requires regular maintenance to ensure optimal performance. This includes regular oil changes, filter replacements, and tank draining.
3. Lack of Portability: While the SH503 is not the most portable air compressor on the market, it does come with wheels and a handle for easy transport. However, it may still be more challenging to move than some other compressors.
In conclusion, the SUVPO SH503 is a powerful and durable air compressor that is suitable for both industrial and DIY applications. Its multiple outlets, quiet operation, and long-lasting design make it a great investment for anyone who needs a reliable air compressor. However, its weight and the need for regular maintenance may be a drawback for some users.
Recommendation:If you are looking for a powerful and versatile air compressor for frequent use, the SUVPO SH503 is a great option. Its long-lasting design, quiet operation, and multiple outlets make it an excellent investment for anyone who needs to inflate tires, power pneumatic tools, or run spray guns on a regular basis. However, if you require a more portable compressor or are on a tight budget, there may be other options that better suit your needs.
Details:
Condition is new. New Supco SH503 240v. Shipped with USPS ground advantage.
specifications maxohvac:
- brand: Supco
- mpn: Sh503
- model: Supco Sh503
- part type: Hvac
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: no returns
shipping maxohvac:
- carrier: usps
- class: standard
- type: calculated
- transit: 5-12 days
- service: usps ground advantage
seller maxohvac:
- rating: 100.0%
- # reviews: 3279
- city: bellevue, washington
payments maxohvac:
- wallet: apple-pay
- other
- credit card: visa
offer maxohvac:
- sold #: 13
- options: ship-to-home
- prices: $15.00–$75.00
- item condition:
- New
- New – Open box
- best offers: true
- in stock #: 5
- availability: in stock
- started: august 22, 2025
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