i want to install this after my de filter and before chlorine feeder...the chlorine is not going to destroy it after a couple seasons?
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Hi. The check valve is designed especially for high corrosive environments like being installed next to a chlorinator. It will last, I can't say forever but it will for a few seasons. The replacement Corrosion Resistant Flapper Assembly & Cover - 25830-350-800 is available if it fails.
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Hello, Would you recommend this check valve in the suction side of the pool system? Out of the skimmer and before the pump? Sam
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Attached is our How to Guide When To Install a Check Valve in Your Pool Plumbing
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I've noticed there are check valves vale with a 2 lb. spring and some with 1/2 lb. spring. What is the reason for this? I would like a corrosion resistant valve but only seen it in a 2 lb. I do not want to add any unneeded stress to the system.
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Hi, Jared. The pump performance or flow rate info is required when sizing a check valve. The higher the flow the higher the spring.
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Thank you. I should have known this would be your answer. Unfortunately the data plate to the pump is M.I.A. and all I know it is a Hayward and motor has a sticker with model# UST1072. I am interested in upgrading to a variable speed at some point, but wouldn't know where to begin on sizing it. Could you help?
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Jared, If you can provide the following info, I can. The pump housing model, Total Dynamic Head (TDH) and where the check valve will be positioned.
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Are the internals of this available to be purchased separately? As in just the clapper and gasket?
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Hi, Alex. The C.R. Flapper and Cover Assembly - 25830-350-800 is available as a separate part.
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My current check valve I feel is causing the spa to drain. There is not much room to install so I have it presently plumbed inbetween 1 1/2 inch pipe. I understand the replacement is 1 1/2 and 2"? How do I install the 2" side?
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Hello Douglas. The Custom Molded Products Check Valve 25830-350-000 connection ports accommodate 1 1/2" PVC, inside (both sides are 1 1/2" inside connections) and 2" PVC, outside (both sides can accommodate 2" outside connections). A 2" PVC, Schedule 40 Coupling is used on the outside, and the 2" PVC Schedule 40 Pipe is then connected inside the Coupling. If the current plumbing is 1 1/2", then the check valve will fit with no changes. If there is limited space to install a check valve, the Clear Check Valve 1.5" - 1/2 lb. w/ Unions - 1700C15 comes complete with union connections. The unions can facilitate installation in tight spaces. The unions are 1 1/2" inside connections.
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