US Seal Pump Shaft Seal 3/4" | PS-201
US Seal
SKU: PS-201
US Seal Pump Shaft Seal Assembly – ¾″ Shaft | Model PS‑201
The US Seal PS‑201 is a general-service mechanical seal assembly designed for ¾″ pump shafts (0.750″ ID). It's widely used in pool and spa centrifugal pumps, including models from Hayward (Max-Flo, Super Pump, Super 2), Pentair/PacFab Hydropump, Sta‑Rite (Dura-Glas II, Max‑E‑Glas II), Jacuzzi, American Products, and more.
Key Features:
- ¾″ inside diameter (fits 0.750″ shaft)
- Outer diameter: ~1.343″; seal width: ~0.718″
- Materials: Buna elastomer secondary seal, molded plastic primary ring, ceramic mating ring, stainless steel spring/hardware
- Spring-loaded, one-piece elastomer bellows design for flexibility and sealing reliability
Technical Specifications:
- Model / SKU: PS‑201
- Shaft Size: ¾″ (0.750″ ID)
- Outer Diameter: ~1.343″; Height: ~0.718″
- Mating Ring OD: ~1.375″; Thickness: ~0.406″
- Seal Materials: Buna, plastic, ceramic, stainless steel
- Temperature Range: –40 °F to +400 °F
Maintenance Tip: Always use a water-based seal lubricant (such as P‑80) during installation—avoid petroleum or silicone lubricants. Handle carefully to avoid damaging the ceramic ring. Replace the seal during any pump or motor replacement and inspect associated O‑rings and bushings.
SKU: PS-201
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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