HVAC 1/2″ BOILER SITE GAUGE GLASS SET COMPLETE KIT WITH 5/8″ x 12″ GLASS
HVAC 1/2″ NPT BOILER SIGHT GAUGE GLASS VALVE KIT WITH ‘SAFETY& (5/8″ OD x 12″ SIGHT GLASS). Bronze (ASTM B62) Industrial Grade Water Gauge Valve Set. The body is made of Bronze which is high ductility (Crack Resistant) and corrosion resistant.