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Water Heaters - Gas
How to clean the Electronic Ignition Module
đź’ˇExact components and their locations will vary between models.
1: Access Door
2: Water Heater Tank
3: Flue Assembly
4: Hot Water Outlet
5: Cold Water Inlet
6: Gas Valve
7: Electrode
8: E.C.O
9: Thermal Cut-off
10: P/T Relief Valve
11: DSI Control Board
12: Thermostat
13: Electric Junction Box/Element Access Cover (this cover must be sealed)
1
Check main burner orifice.
2
Clean and adjust main burner.
3
Main burner and valve manifold must align with each other.
4
Check electrode for cracked porcelain (E).
5
Check electrode for proper gap - 1/8” between electrode and ground.
6
If module board functions intermittently, remove board and clean terminal block with pencil eraser (FIG 3-H).