Pentair Cover O-Ring | ABS Multiport Valves Side Mount / Sta-Rite Valves | 14971-SM20E7 Ladders & Slides Parts Air accumulation inside a pressurized

Air accumulation inside a pressurized sand filter can reduce filtration efficiency and cause pressure gauge readings to spike inaccurately

Run bromine first — Add the FAS-DPD powder and titrating reagent drop by drop

carefully crafted to melt away stress

The ETi 400 heater ships from the factory configured for Natural Gas

Order the correct quantity for your model before beginning service

Pentair Cover O-Ring | ABS Multiport Valves Side Mount / Sta-Rite Valves | 14971-SM20E7 Ladders & Slides Parts Air accumulation inside a pressurizedThe Pentair Cover O Ring (14971 SM20E7) is the OEM replacement cover seal for Sta Rite 2 inch Side Mount Multiport Valves. If your valve cover is weeping water at the seam or the existing O ring has become brittle, flattened, or cracked, this is the direct replacement. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone