BTG-54VL	Robertshaw 190-065 guard metal stat,T651,T874
BTG-54VLW	Robertshaw 190-067 guard metal stat ring base
BTG-EK		Robertshaw 190-054 guard plastic stat,T87
BTG-EM		Robertshaw 190-060 guard metal stat,T87 solid base
BTG-K		Robertshaw 190-050 guard clear stat sol/ring
BTG-KWM		Robertshaw 190-064 guard metal stat ring base
BTG-O		Robertshaw 190-051 guard opaque stat sol/ring base
BTG-RK		Robertshaw 190-052 guard clear stat sol/ring base
BTG-RO		Robertshaw 190-053 guard opaque stat sol/ring base
BTG-RWM		Robertshaw 190-062 guard metal stat sol/ring base
BTG-UK2		Robertshaw 190-068 guard clear stat sol/ring base
BTG-UM		Robertshaw 190-070 guard metal stat sol/ring base
BTG-UO2		Robertshaw 190-069 guard opaque stat sol/ring base
BTG-UWM		Robertshaw 190-071 guard metal stat ring base