The manual reset thermal limit is a safety standard

it is built with a rugged die-cast aluminum alloy body and a steel-reinforced diaphragm for maximum mechanical strength in demanding environments

27" WC setpoint and SPDT configuration

Can I use this relay for resistive heating elements

meaning it is designed to open as the temperature at the sensing bulb increases

York 015-04023-000 Piping Kit 318423-701 The manual reset thermal limitThe York 015 04023 000 Piping Kit is a specialized OEM piping retrofit kit engineered to convert legacy 4 pipe refrigeration systems to modern 3 pipe configurations. As a veteran technician, you know the industry shifted away from the 4 pipe Copeland compressor designswhich utilized dedicated discharge, suction, pressure equalization, and oil equalization linesin favor of the more efficient 3 pipe setup. This kit serves as the essential HVAC piping