Pool timer - which do i have?

[consoleman]

So i want to replace my pool pump timer. I currently have 2 timers both with 4 terminals.
One is for the pool pump and the other for a booster pump. I also have a heater, but dont think its connected to the timers.

Im not sure if i have the T104M or T106M. (T106M is for 2speed pump applications)
The pump i have SP3005X7AZ says its a single speed.

Does the timer have the part number on it? I couldnt find one.

 

[pabeader]

Can you post a picture?

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Usually the model is on the inside cover.

 

[consoleman]

sorry im not at home but dont the t104 and t106 timers look identical?

 

[pabeader]

There is a subtle difference. It's in how the wiring is laid out if I remember right.