a #42 drill size orifice typically flows 25

The Nordyne 632488R Pressure Switch is an essential safety component designed for precise draft monitoring in high-efficiency furnace applications

A yellowish tint indicates moisture levels exceeding 100 ppm

it is a lightweight yet rugged solution for reversing proportional signals from thermostats or receiver-controllers

extending the life of expensive system components

Lennox 88A12 Flame Sensor Wire a #42 drill size orificeThe Lennox 88A12 Flame Sensor Wire is a critical OEM component designed to facilitate the low voltage microamp signal transmission between the flame rod and the integrated furnace control board. Engineered as a direct replacement, the 88A12 is identical to 88A1201, ensuring seamless HVAC part compatibility for technicians servicing Lennox G34, G42, G61, and EL280UHE series units. This 30 inch flame sensor lead features high temperature insulation to