Sporlan 125384 Valve 318973-401 airtight seal at the burner

airtight seal at the burner plate

the internal diaphragm or mechanical seat may be stuck

The Lennox 10H21 Transformer (Model LB-95312G) is a heavy-duty

8 inch aperture

Replacement frequency depends on indoor conditions

Sporlan 125384 Valve 318973-401 airtight seal at the burnerThe Sporlan 125384 is a premier OZE 25 GA thermostatic expansion valve designed for high capacity R 410A refrigeration and air conditioning systems. Featuring a balanced port design, this valve ensures precise refrigerant flow control by neutralizing the effects of erratic head pressures and varying evaporator loads, making it ideal for commercial HVAC applications and industrial chillers. The OZE 25GA is engineered with a 7 8 x 1 3 8 ODF solder