Description
309S In-line coiled oil heater can be inserted from inside the sump/gearbox/tank where threads are 1.0″ BSPP or smaller.
1.25″ BSPP and larger may be inserted from outside the sump.
Voltages 110 & 230. Wattages; 100, 150, 250, 350 & 500.
Various thread size options.