Hayward Variable Speed Pump Motor Drive for TriStar VS Pumps | SPX3400DR Cover Accessories If the required height differential

If the required height differential exceeds a single collar's depth

shut the pump off and let sit overnight

Add E-Z Pool to your pool water

this is the direct replacement to restore your valve to factory condition

Hayward Variable Speed Pump Motor Drive for TriStar VS Pumps | SPX3400DR Cover Accessories If the required height differentialThe Hayward Variable Speed Pump Motor Drive (SPX3400DR) is the OEM replacement motor drive for the TriStar VS variable speed pool pump line. Mounted to the top of the pump, this drive unit houses the full programmer interface and delivers direct to motor variable speed control. The SPX3400DR features a fully rotatable keypad that allows programming flexibility regardless of equipment pad orientation. The interface includes four individual speed