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The CircuitSolver® Union Assembly adds isolation ball valves on either end of the CSU. Assembled and leak tested prior to delivery, the CSUA makes it easier to install and service.
CircuitSolver® Union Assembly (CSUA) Isolation Ball Valves
Unit of Measure
1 2 3 4 

Item #

Item Name

Line Size

Closing Temperature

Valve Options

End Options

CSUA-3/4-115-Blank-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Standard N/A Standard
CSUA-3/4-115-Blank-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-115-Blank-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-115-CV1-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Check Valve N/A Standard
CSUA-3/4-115-CV1-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Check Valve N/A Standard
CSUA-3/4-115-CV1-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-115-CV1-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 115 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 115 ºF46.1 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-120-Blank-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Standard N/A Standard
CSUA-3/4-120-Blank-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Standard N/A Standard
CSUA-3/4-120-Blank-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-120-Blank-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-120-CV1-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Check Valve N/A Standard
CSUA-3/4-120-CV1-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Check Valve N/A Standard
CSUA-3/4-120-CV1-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-120-CV1-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 120 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 120 ºF48.8 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-125-Blank-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Standard N/A Standard
CSUA-3/4-125-Blank-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Standard N/A Standard
CSUA-3/4-125-Blank-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-125-Blank-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Standard N/A ProPress® Ends
CSUA-3/4-125-CV1-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Check Valve N/A Standard
CSUA-3/4-125-CV1-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Check Valve N/A Standard
CSUA-3/4-125-CV1-PP-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-125-CV1-PP-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 125 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 125 ºF51.6 ºC N/A Check Valve N/A ProPress® Ends
CSUA-3/4-130-Blank-Blank-Blank N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 130 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 130 ºF54.4 ºC N/A Standard N/A Standard
CSUA-3/4-130-Blank-Blank-TW N/A CircuitSolver® Union Assembly (CSUA) 3/4 Inch (in) Line Size and 130 Degree Fahrenheit (ºF) Closing Temperature Isolation Ball Valve N/A 3/4 in N/A 130 ºF54.4 ºC N/A Standard N/A Standard
Unit of Measure
1 2 3 4