Pentair O-Ring Replacement | SM & SMBW 4000 Series D.E. Filter | 071439Z Above Ground Pool Light Fixtures Check your filter pressure gauge

Check your filter pressure gauge to ensure your system is within tolerances

This flame sensor is designed to use with Hayward H-Series Universal Low NOx induced draft heater models H150FDN

The CX880XREPAK4 4-Pack is available on Poolaroo and is the most economical way to replace a full set at once

leaving you more time to enjoy your pool with family and friends

Pentair O-Ring Replacement | SM & SMBW 4000 Series D.E. Filter | 071439Z Above Ground Pool Light Fixtures Check your filter pressure gaugeThe Pentair O Ring (071439Z) is the OEM replacement O ring for the SM and SMBW 4000 Series pool and spa D. E. filters. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O ring maintains the pressure seal within the SM and SMBW 4000 Series D. E. filter housing. A