this 3-pin Packard harness is the standard physical interface for the Johnson Controls P499 series electronic pressure transducers

Advanced Diagnostics: Built-in microprocessor monitors system parameters and identifies flame failure or grounding issues via the LED interface

unlike spring-return models that automatically drive to a "fail-safe" open or closed state

The Conbraco 10-615-15 (Apollo 10-600 Series) is a high-capacity ASME Section IV certified safety relief valve engineered for overpressure protection in large-scale hot water heating boilers and hydronic systems

it is Maxitrol tested to handle a 1 PSI maximum inlet pressure

Auburn E5-I-101 Ignitor 320734-701 this 3-pin Packard harness isThe Auburn E5 I 101 Ignitor is a premium, high reliability industrial burner igniter specifically engineered for precision ignition in HVACR systems and process heating equipment. This 10mm x 1. 0mm burner spark plug is identical to the I 101 model, featuring a durable nickel center electrode designed to resist sparking erosion and chemical corrosion during continuous operation. With an 11 16 inch hex size for secure installation and an overall length