

The Universal Tamper Proof Cap 1/4" Thread (Part Number: 86691) is a set of 10 corrosion-resistant locking caps designed for all refrigerant tanks and service ports. These caps meet IRC, UMC, and IMC codes, helping prevent theft, vandalism, and accidental mixing of refrigerants. With a 1/4" thread, these caps require a key for access and are compatible with the B18-755 model. Installation is quick and easy, taking just a few minutes with common tools.