This F1 Plus Field Kit is for room temperature operation on Mr.Steamís Commercial CU model steam bath generators that utilize the analog F1 Plus Temperature control system with a 120V control voltage feed.
The D1 Plus Digital Control maintains the steam room operating temperature as well as having a built in high temperature safety setting. If the main operating temperature is exceeded, the high temperature safety will engage and will stop steam production. Consider upgrading to the D1 Plus Digital Control System if the existing steam bath generator is still utilizing the F1 Plus Analog control.
One (1) D1 Plus control system is required per steam room.
Note: To preserve the originality, operation and safety of replacement parts, this product is not returnable.