this is a 3-pole contactor

consider the A19ABC or A19AAF series depending on the required setpoint range

The Watts 0590719 is a high-performance 1/8 inch NPT air vent designed for veteran contractors who require reliable air elimination in pressurized hydronic heating systems

This high-limit protection prevents heat exchanger damage and ensures safe operational parameters for Lennox furnace systems

Key Benefits: High-Altitude Precision: Calibrated specifically for elevations above 4

Cleveland Controls NS2-0365-00 Pressure Switch 328140-751 this is a 3-pole contactorThe Cleveland Controls NS2 0365 00 Pressure Switch is a professional grade air pressure sensing switch designed for critical monitoring in HVAC systems and industrial pneumatic applications. Pre set at a 1. 20" w. c. setpoint, this diaphragm operated switch ensures high accuracy detection of positive, negative, or differential air pressure. It features a rugged, industrial build housing and includes a specialized mounting bracket to simplify field