Lennox Furnace Gas Valve Not Opening

These furnaces were made between 1982 until the middle 1990s.
Lennox furnace gas valve not opening. Furnace gas valve will not open hot surface ignotor lights can here click for solenoid no 24v. Fixing a gas furnace. If you re new to tech support guy we highly recommend that you visit our guide for new members. If you do not have the ability to do these operations safely do not attempt them.
Sorry about the poor camera work. Replaced board gas valve hot surface ignitor flame sensor and tstat we disconnect re and white wire to board l e d is on constant. I missed the money s. The gas never flows there s no click from the valve opening and the flame never lights.
In addition to the air flapper valve there is a gas flapper valve also. Flame sensor is clean. It goes away. Thermostat is not the issue tried swapping the two and it didn t fix it rollout switches have continuity.
It goes away if i give the inlet pipe a slight rap with a wrench. Locate the gas valve which is typically near the bottom of the unit positioned next to the pilot light. This valve is in the gas line downstream of the. I have a lennox furnace with a honeywell gas valve gsv8204h1006.
Information in questions answers and other posts on this site posts comes from individual users not justanswer. The problem is intermittent in that it does not happen each time the furnace comes on. Take out the bolts in the service panel on the side of the furnace using a nut driver. Any idea why when the signal gets sent to the gas valve to open it doesn t work.
Click here to join today. Lennox g16 gas furnace click here the lennox pulse g14 and g21 gas furnace. Tech support guy is completely free paid for by advertisers and donations. The valve will make a chattering sound while its open.
This is a real time look at how i m keeping warm until the new gas valve comes.