Lochinvar & A.O. Smith 100291509 Anti-Scale System 320788-703 While hardwiring to 20-30Vac is

While hardwiring to 20-30Vac is recommended

this unit ensures seamless integration into existing systems utilizing HCFC and non-flammable HFC refrigerants

the Reznor 41700 utilizes SPDT switching

breaking the electrical circuit to the gas valve if internal plenum temperatures exceed the factory-set limit

including the FB4CNF and FB4CNP series

Lochinvar & A.O. Smith 100291509 Anti-Scale System 320788-703 While hardwiring to 20-30Vac isThe 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