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- Heater Coil w/Wrap for 4100 (incl gaskets & thermal compound) - 439M05 \
Heater Coil w/Wrap for 4100 (incl gaskets & thermal compound) - 439M05 \
This heater coil assembly fits Mastermatic 4000 and 4100 machines.
***This coil is made of steel so it WILL rust. The user should expect to see rusty water for the first few weeks of use. This is the nature of running water through mild steel. The only way to avoid this is to upgrade to a modern stainless steel heater coil (SW Part# 439M05SS.)
All heater coils include a new burner gasket and thermal compound for reinstalling your temperature control unit.