Pentair Chlorinator Cap Wrench | R172052
Pentair
SKU: R172052
Pentair Rainbow Cap Wrench (Feeder/Filter Lid Tool) | R172052
The Pentair Rainbow R172052 is a purpose-built cap wrench designed to help loosen and tighten the lids/caps on select Pentair/Rainbow chemical feeders and related equipment. It provides better grip and leverage than hand tightening alone, making routine service (tablet refills, lid removal, and seasonal maintenance) quicker and safer while helping reduce the chance of damaging the lid by using improvised tools.
Key Features
- Proper-fit cap wrench for compatible Pentair/Rainbow feeder and filter caps/lids.
- Improves leverage to help remove lids that are stuck from normal tightening, O-ring drag, or scale buildup.
- Helps prevent damage compared to using strap wrenches, pliers, or other makeshift tools on plastic lids.
- Service-friendly tool for routine refills, inspections, and winterization.
Compatibility
- Pentair/Rainbow automatic chemical feeders: Models 300, 302, 300-19, 300-29, 300-29X
- Pentair/Rainbow in-line feeders: Models 320 and 322
- Pentair/Rainbow module cartridge filters: Standard and High Square Foot module filters (where the parts list specifies R172052)
Specifications
- Brand: Pentair / Rainbow
- Part Number: R172052
- Part Type: Cap wrench / lid tool
- UPC: 788379004675
- Quantity: Sold individually
How It’s Used
- Turn off the pump and relieve pressure before opening any feeder or filter lid.
- Seat the wrench fully on the cap/lid features and turn steadily (avoid sudden force).
- If the cap is stuck, check for scale or debris around the threads and clean before forcing it.
Common Reasons to Buy
- Lid is difficult to remove by hand during tablet refills
- You want a safer way to open/tighten caps without cracking plastic
- Routine maintenance tool for service techs and pool owners with Rainbow feeders
Related Products
- Rainbow 300/320/322 Lid O-Ring (R172009)
- Silicone Lubricant for O-rings and seals (R172036Z)
- Rainbow 1/2" 90° Tube Fitting w/ Nut (R172272)
- Rainbow Inline Check Valve, 1/2" Tube x Tube (R172324)
- Rainbow Model 320 parts
- Rainbow 300-29X parts
Maintenance Tips
- Keep lid O-rings clean and lightly lubricated with silicone lube to reduce sticking and make lids easier to remove.
- Do not over-tighten lids—snug is usually sufficient when the O-ring is in good condition.
- If a lid repeatedly binds, inspect threads and sealing surfaces for scale; clean with a non-metal brush and rinse thoroughly.
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.
Related Products
