Does this check valve need a threaded water container or is there a tightening nut for both ends?

It is intended to screw into a threaded hub on the tank. But I would expect that if you had a nut of the proper thread you could put it through an threaded hole in a tank (it comes with an O-ring that could serve as the gasket).By the way, this valve does not always shut off tightly. If you need to be absolutely sure no water runs back into the tank, this will disappoint you.Best regards,Doug

Is the plastic ball spring loaded?

No, it is held in place by gravity. The water flows upward, opening the valve, and when the water stops flowing, gravity pulls the ball back to the closed position.

Will this work on model vcma-15ul 554401?

Yes, if you are buying it new, it should already have one of these installed. If you are replacing it, this will work just like the new one.

Will this degrade if used with propylene glycol coolant?

Up to temperatures of 140 degrees F the ABS body is resistant, higher than that it is not. That is, it would not be useful for engine radiator hoses. See http://www.ipexna.com/media/1693/abs-chemical-resistance-guide.pdf for details.

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🛠️ Keep your condensate pump running smooth — no backflow, no burnout!

EXTEND PUMP LIFESPAN - Prevents water backflow and rapid cycling, reducing wear and tear on your condensate pump.
ROBUST MATERIAL BUILD - Crafted from acetal and Buna-N for long-lasting durability under high pressure (up to 290 Bars).
COMPACT EFFICIENT DESIGN - At just 1.72 inches long and 0.72 inches diameter, it fits tight spaces without compromising performance.
CERTIFIED QUALITY ASSURANCE - CSA certified for reliable, professional-grade plumbing performance you can trust.
PRECISION FIT FOR LITTLE GIANT PUMPS - Seamlessly compatible with VCL-14/24, VCMA & VCC Series for hassle-free installation.

The Little Giant CV-10 Check Valve is a precision-engineered replacement part designed exclusively for Little Giant condensate pumps (VCL-14/24, VCMA, VCC Series). Featuring a 1/4-inch MNPT x 3/8-inch barbed fitting, it prevents water from flowing back into the pump, thereby avoiding rapid cycling and extending pump life. Constructed from durable acetal with a Buna-N ball and nitrile O-ring, it withstands pressures up to 290 Bars. Compact, CSA certified, and easy to install, this valve ensures reliable, professional-grade condensate management.

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Manufacturer	Franklin Electric Co., Inc.
Part Number	599065
Item model number	599065
Size	1/4-inch MNPT x 3/8-inch Barbed
Colour	Black
Material	Vinyl
Voltage	110 Volts
Wattage	200 watts
Item Package Quantity	1
Maximum Pressure	290 Bars
Number of handles	1
Cutting Diameter	0.72 Inches
Measurement System	inch
Certification	CSA
Included Components	check valve
Batteries included?	No
Batteries Required?	No
Assembled Diameter	0.72 Inches
Item Weight	9 g

Little GiantCv-10 Check Valve

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