This manifold inner door (part number 9003400) is for water heaters.
Manifold inner door 9003400S seals the bottom of the combustion chamber.
Shut off the gas supply before installing this part. Wear work gloves to protect your hands.
Plumbing and Heating
10.9" INHx 1.8" INHx 1.7"FOT
- Installations last year: 1
- Average installation time: 73 minutes
- Level of repair difficulty: