$339.00
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
The Goldline GL-30 differential temperature control is designed to provide maximum operating efficiency and flexibility to effectively manage today’s innovative solar energy systems. With an adjustable high limit of 50º-104ºF, the GL-30 is capable of handling most differential temperature control functions for operation of domestic water heating and sophisticated space heating and cooling. The GL-30 is designed to control recirculation, drain-back and closed loop systems. Includes (2) P-01 sensors.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$339.00