Taco 241-4 1inch Sweat Flo-Check Valve

Original price was: $117.96.Current price is: $89.61.

13 in stock

SKU: 39420 Categories: ,


The Taco 241-4 1-inch Sweat Flo-Check Valve is a versatile and reliable option for preventing backflow in various hydronic heating and boiler systems. Here’s a breakdown of its key features and functions:


  • Prevents hot water from flowing back through the boiler when the circulator pump is off.
  • This protects the boiler from overheating and potential damage.
  • Suitable for use in both horizontal and vertical piping installations.

Key Features:

  • Bronze construction: Offers durability and corrosion resistance for long-lasting performance.
  • Soldered sweat ends: Provide a secure and leak-proof connection to copper pipes.
  • Spring-loaded check valve: Allows for free flow in one direction and automatically closes to prevent backflow in the other.
  • Compact design: Fits easily into tight spaces.
  • Full-port flow: Minimizes pressure drop, ensuring efficient water circulation.
  • Temperature and pressure rating: Suitable for hot water systems with operating temperatures up to 277°F and pressures up to 125 PSI.


  • Hydronic heating systems (radiant, baseboard, fan coil).
  • Boiler systems.
  • Domestic hot water recirculation systems.

Things to Consider:

  • Pipe size: Ensure the valve’s size matches the diameter of your copper pipes.
  • Installation: Requires soldering skills. Professional installation is recommended for optimal performance and safety.
  • Flow direction: Install the valve with the arrow pointing in the direction of desired flow.

Overall, the Taco 241-4 1-inch Sweat Flo-Check Valve is a reliable and convenient solution for preventing backflow in hydronic heating and boiler systems. Its durable construction, compact design, and full-port flow make it a popular choice for both homeowners and professionals.

Additional information

Weight 3.79 lbs


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