Pentair 8.5" Trap Cover O-Ring | Max-E-Glas II / Dura-Glas II / Dyna-Glas / Dyna-Max / Dyna-Wave Pumps | U9-375Z C4335 ensuring that your system stays

ensuring that your system stays balanced and your water remains clean and clear

An excellent brush for your pool gunite walls and floor

The Pentair Thermistor (42001-0053S) is the OEM replacement temperature-sensing component for Pentair MasterTemp and Sta-Rite Max-E-Therm pool heaters

watertight seal at the skimmer's 2 in

and blower gaskets are all included

Pentair 8.5" Trap Cover O-Ring | Max-E-Glas II / Dura-Glas II / Dyna-Glas / Dyna-Max / Dyna-Wave Pumps | U9-375Z C4335 ensuring that your system staysThe Pentair U9 375Z is the OEM replacement 8. 5" trap cover O ring for the Max E Glas II, Dura Glas II, Dyna Glas, Dyna Max, and Dyna Wave series pumps. If your pump's strainer cover is weeping water or losing prime, this O ring is the first part to inspect and replace. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone