The Warrick 3Z1B Adapter is the industry-standard conductivity level control accessory required to interface 3W series suspension probes with Warrick electrode fittings

crucial for sensitive control circuits

it provides the necessary amperage to drive contactors

The Weil McLain 383-500-630 Gauge Assembly is a high-precision OEM replacement component engineered specifically for Weil McLain Ultra series boilers

Field technicians should verify flame rectification current using a multimeter in series with the sensor lead to ensure it meets the HVAC furnace parts specification of the OEM controller

Cleveland Controls AFS-305 Switch Els PW 17895 The Warrick 3Z1B Adapter isThe Cleveland Controls AFS 305 is a high performance differential pressure switch engineered for precise monitoring of air flow and pressure in commercial HVACR systems. This manual reset air switch features an adjustable set point range from 0. 40" 0. 06" to 12. 0" w. c., making it ideal for clogged filter detection and burner fan supervision. Built with a robust SPDT contact arrangement and a 1 2 PSI maximum pressure rating, the AFS 305 ensures