When I look inside the cell, there appears to be a thin thread-like nylon line that rests on the end of the cell plates. Is this normal?

Yes. It is time for you to clean the cell. If you don't know how to do that, ask at your local pool supply store. Cleaning of the cell involves a cup or two of Muriatic Acid. Leave the acid in the cell with the open end facing up and to soak for about 20 minutes. Be very careful if you clean it with acid as Muriatic Acid is strong and corrosive and will burn exposed skin. Also, use caution not to breathe in the fumes. If allowed to build up, that stringy material will eventually cause your cell to fail to make chlorine for your pool.

Does this replace the SC 36?

Yes. It is the replacement for the SC36, which I believe has been discontinued by the manufacturer.

After about 3 months of use i am getting an error message from my auto pilot 'low amps=cell?. checked the cell. it has no build up. any solutions?

Likely to be a cord issue however depending on the model # of your Pool Pilot control box it could be a internal issue on the circuit board(s) or a fuse.

The RC-28 is for use with the Nano unit only. You should call autopilot and see if this unit will work with your system

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Aqua Cal Autopilot Pool Pilot Digital Chlorine Generator Replacement Cell Only With Unions - RC-35/22

Aqua Cal Autopilot Pool Pilot Digital Chlorine Generator Replacement Cell Only With Unions - RC-35/22

Product ID: 71922929

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⚡Compatible with digital systems

💧Up to 35,000 gal capacity

🔧Easy union installation

Description

💧 Keep your pool pristine with the power of precision tech!

SMART SYSTEM SYNC - Works flawlessly with Pool Pilot Soft Touch, Digital, and Nano Digital models.
HIGH CAPACITY POWER - Supports pools up to 35,000 gallons for crystal-clear water all season.
COMPACT LIGHTWEIGHT - Streamlined design at just 1.27 kg for easy handling and installation.
EFFORTLESS REPLACEMENT - Swap your cell seamlessly with included unions—no manifold needed.
TRUSTED AQUA CAL QUALITY - Engineered for durability and peak chlorine generation performance.

The Aqua Cal Autopilot Pool Pilot RC-35/22 replacement cell with unions is designed for hassle-free installation in digital chlorine generators supporting pools up to 35,000 gallons. Compatible with Pool Pilot Soft Touch, Digital, and Nano Digital systems, this lightweight, compact cell ensures efficient chlorine production to maintain sparkling clean water without the need for a manifold.

Specifications

Product Dimensions	32.77 x 16.26 x 15.75 cm; 1.27 kg
Part number	RC35/22
Item display height	6.2 inches
Item display length	12.9 inches
Item display width	6.4 inches
Manufacturer	Aqua Cal
Item model number	PPC1 (formerly RC35/22)
ASIN	B003WW4WBQ

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