Safety Valve,High Temp.,270sig, Series Not Applicable, Compatible with Grainger Part Number 13G706, 13G707, 13G708, 13G709, 1WD21, 1WD22, 1WD23, 1WD24, 1WD30, 1WD36, 1WD37, 1WD38, 1WD40, 1WD44, 1WD46, 1WD48, 1WD50, 1WD52, 1WD54, 1WD55, 1WD57, 1WD58,...