Polar HNVR Model Timers SC control box
These timer parts are for the Polar HNVR model heaters with external SC control boxes.
The SC 9 Control box has the 1-9 hour pre-set function timer Model # 19-8-1517
The SC 60 Control box has the 60 minute timer Model # 19-8-1817
* Choose this option from the dropdown option shown.