Using a standard multimeter

ensuring the safety of the steam boiler by preventing nuisance shutdowns or dry-fire conditions caused by losing a tight seal at the valve connection

Whether you are performing a routine maintenance call or a post-season repair

Designed with 1/4-28 UNF male threads

Unlike standard incandescent bulbs that fail due to vibration and heat stress

JB N5-12 3/4" SAE Fitting Cap Using a standard multimeterThe JB Industries N5 12 3 4" SAE Fitting Cap is a mission critical component for maintaining system integrity in high pressure refrigeration and air conditioning applications. Expertly machined transitions and premium C360 brass construction ensure this heavy duty flare cap provides a dependable metal to metal seal on any 3 4 inch SAE flare connection. Designed to withstand extreme environments, it is rated for vacuum and high pressure service up to