Size 4 Type B, Reflex 7-1/2" Gauge Glass | Made For Ease in Determining Liquid Levels
STOCK LEVEL : In Production
THICKNESS RANGE: .656" - .688"
MAX WORKING PRESSURE,
PSI STEAM BOILER (NO MICA): 400
MAX WORKING PRESSURE,
PSI STEAM BOILER (W/ MICA): No Mica Needed
MAX WORKING PRESSURE,
PSI NON STEAM (-150°F TO 150°F): 2500