Summary of why the GMP4 is a "heavy duty" yet "economical" choice for modern HVAC applications.

Heavy-duty roto-molded tank with embossed graduations (won't fade over time).

How to pipe the GMP4 into existing hydronic loops.

Risks of fluid loss, oxygen infiltration, and manual maintenance burdens.

Maintaining the correct glycol-to-water ratio by using a dedicated make-up tank instead of a direct city water connection.