Pentair Cover O-Ring | ABS Multiport Valves Side Mount / Sta-Rite Valves | 14971-SM20E7 Ladders & Slides Parts The ETi 400 heater ships

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

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

Pool water circulates through the coil while combustion gases pass over it

This kit seals the key and cover assembly of the PSV diverter valve

Pentair Cover O-Ring | ABS Multiport Valves Side Mount / Sta-Rite Valves | 14971-SM20E7 Ladders & Slides Parts The ETi 400 heater shipsThe 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