For technicians performing a Robertshaw 5300-040 installation

this unit is specifically valved and lubricated for R410A refrigerant and POE oils

Ensures accurate temperature sensing to optimize compressor performance and extend component life

it incorporates a double-ring

Always verify the power element charge is appropriate for the specific refrigerant in use

Lochinvar & A.O. Smith 100291509 Anti-Scale System R-410A For technicians performing a RobertshawThe Lochinvar & A. O. Smith 100291509 Anti Scale System, also known as the PP AS20, is a standalone water treatment system designed to mitigate hard water scale in high efficiency tankless water heaters and commercial boilers. Utilizing advanced Template Assisted Crystallization (TAC) technology, this unit converts dissolved calcium and magnesium minerals into inactive microscopic crystals. These crystals remain suspended in the water and pass safely