Polaris TR36P Pressure Cleaner In-Line Back-up Valve, Black | 9-100-1201 Blue Square Parts included:

Parts included:

Gamma Series 3 & 4 Pop-Up Head Collar | SKU 231100

Direct replacement for Pentair Style 2 systems

seat the new color ring flush

Polaris TR36P Pressure Cleaner In-Line Back-up Valve, Black | 9-100-1201 Blue Square Parts included:Polaris "Trade Grade" TR36P Pressure Cleaner In Line Back up Valve, Black (9 100 1201) This back up valve was designed to be the feature that backs the pressure side cleaner out of any corners or edges along with the pool steps which would cause the cleaner to be hung up or impeded in any way. Without it, the cleaner would be insufficient in its abilities to suck and pull up dirt and debris off your pool's surface. This part is black and should be