Frequently Asked Questions
The 620 was a leading edge dimmer, the equivalent is the PDL634L, though depending on the load it may be time to upgrade to a universal (PDL654) or push button (PDL654PB) dimmer.
PDL634L installation sheet attached for reference.
No it isn't. No testing has been carried out.
No, that is only available in Brushed Bronze - PDL683WPMBBZ and stainless steel - PDL683WPMMSS
PDL534P16S, PDL534P24S, PDL534P8