The Strata transformer is designed for use with only Heirloom 12 volt towel warmers. 

One transformer will power up to:

3 x Extended Strata rails or 

4  x Standard/Slimline rails or 

2 x Cubist rails. 

4 x Pole warmers

7 x Petitie Warmers

1 x LV Ladder warmer

Refer to installation instructions for Strata Towel Warmers 

IMPORTANT INSTALLTION NOTE:  Strata transformers are electronic , and  cannot be tested with a conventional multimeter. To test a transformer use a 12V lamp of at least 20W (a 12V halogen lamp is ideal)