Internal Valve Depressors: Both straight fittings include depressors to allow for pressure readings without removing the core

maximizing thermal output while reducing carbon monoxide risks

Its low-profile design and 0

the DHY1471 is the official Trane update for the DHY0146 and maintains the same technical specifications and 1/2" connection size

Nordyne 621451R Sequencer Internal Valve Depressors: Both straightThe Nordyne 621451R Sequencer is a critical 2 pole electric furnace control designed to manage the timed energization of heating elements and blower circuits. Built for 10KW and 12KW electric furnaces, this OEM replacement sequencer prevents massive electrical surges by staggering the activation of heat strips using internal resistive timing. As a veteran grade HVAC sequencer relay, it ensures that your system engages its various heating stages