making it suitable for both land-based HVACR and marine applications

Wiring it to a 120V source will damage the transformer and the internal circuitry of the module

Direct Replacement: Precise fitment for the ASCO 318-247 eliminates the need for field modifications or hardware adjustments

Always verify the rotation direction (CW)

specifically larger F-series unit heaters ranging from F-100 up to F-400

Watts 0066607 Tank 321894-708 making it suitable for bothThe Watts 0066607 ET 60 expansion tank is a critical component for maintaining system stability in high demand residential and commercial closed loop hydronic heating environments. Engineered to manage thermal expansion, this non potable hydronic expansion tank prevents dangerous pressure surges that trigger relief valve discharge. This model features a high grade carbon steel tank construction with an epoxy finish to prevent external corrosion.