Chemtrol PC4000 Programmable Filter/Pump Controller clearance blue molded frame which is

blue molded frame which is reinforced with aluminum

Thermometer only (item 2)

The Motion Trek BP350 Deluxe is constructed of all 304L grade stainless steel which is electropolished

This is a package of 4 Stenner QuickPro Roller Assemblies for the Classic Series chemical pumps

The tread is made of 304 Stainless Steel

Chemtrol PC4000 Programmable Filter/Pump Controller clearance blue molded frame which isThe Chemtrol PC5000 is a programmable control system that offers complete chemical automation including ORP, PPM, and pH, plus control of conductivity or TDS, water balance with Langelier Index, temperature, and heater control. The PC5000 features a unique solid state PPM Sensor that generates easy to use, direct, and reliable readings of Free Chlorine concentration in water. Unlike conventional amperometric sensors, this sensor is simple to install