CROWN BOILER
Velocity Boiler Works 431003 1/2" Sensor Kit PHANTOM/SHADOW
What stands out about the 6GK7343-1EX30-0XE0 is its compact size for tight spaces.
VELOCITY BOILER WORKS 90-042 PILOT TUBING WITH FITTINGS
A nice touch is the precise 1 inch by 2 inches by 1 inch dimension, fitting snugly in tight spots.