For use in slave(s) 4" STP manifolded pump installations. Not available factory installed.

Part NumberDescription
402459931Model 65 psi relief check valve (AG compatible)

For use when two syphon primers are required for one 4" STP. One to syphon for condensate pod, one for syphoning two or more tanks of like product.

Part NumberDescription
402507930Secondary syphon kit