Wiring Diagrams

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Residential Electric Water Heaters
For AW type of Thermodiscs and thermostats:

One (1) or two (2) elements

For 59T type of Thermodiscs and thermostats:

One (1) or two (2) elements
Three (3) elements

Residential Gas-Fired Water Heaters
Atmospheric Vent with Powered Damper

UG40 | UG50

Power Vent

(PV2) UG40 | UG50 | UG60 | UG50-62 – Generation II gas control valve
(PV1) UG40 | UG50 | UG60
UG40 | UG50 | UG60
UG50-65 – Generation II gas control valve
UG50-65

Power Direct Vent

UG40 | UG50 | UG60 – Generation II gas control valve
UG50-62 – Generation II gas control valve
UG40 | UG50 | UG60

Residential Oil-Fired Water Heaters
Blocked Vent Shut-Off Device, OG32 | OG50
Commercial Gas-Fired Water Heaters
Atmospheric Vent (Heavy Duty)

UG65 | UG73
Power Vent (optional Kit) UG65 | UG73

Power Vent (Light Duty)

UG75 – Generation II gas control valve
UG75