Quest Ground Thaw & Heat Systems


The PHE 500 is an accessory device designed for use in conjunction with any of the Quest Central Hydronic Glycol Heaters. It transfers heat from the primary heated glycol circuit to another liquid that is being pumped through the secondary circuit. The PHE 500 consists of the following components contained inside a portable stainless steel cabinet. This liquid to liquid heat exchange system is an effective way of isolating the glycol, primary fluid supplied by an “open-atmospherically-vented” Central Hydronic Heater, from the secondary “process fluid” circuit.

The PowerHEAT PHE 500 is sized such that a single unit can be used to transfer 250,000 to 300,000 BTUH when used in a glycol to glycol, building heating application and when used to heat cold water in the secondary circuit, it can transfer 600,000 to 700,000 BTUH.

  • A liquid to liquid brazed plate heat exchanger
  • A stainless steel centrifugal pump that generates flow for the secondary circuit
  • Electrical circuitry, switching and protection for the pump
  • Plumbing circuitry to provide the correct liquid flow routing through circuits and pump
  • A Y-strainer to filter impurities out of the liquid in the secondary circuit

Quest PowerHeat PHE 500 Pro

Part No. 4034300
Capacity Glycol to Glycol = up to 300,000 BTU’s*
Glycol to Water = up to 700,000 BTU’s*
*Conditions Dictate Actual Output
Electrical 120V, 20 Amps, 60Hz Supply Single Phase
Power Inlet L5-20P Male NEMA Twist Lock
Quest PowerHeat PHE 500