East Coast Solar
Solar Energy Products
GL30 Goldline GL-30 Solar Control
Latest Version Dec 2022
The Goldline GL-30 temperature differential controller is designed for solar heating. The control output is typically wired to a circulator pump or blower which is turned on when the collector sensor temperature is hotter than the storage tank sensor temperature. The control also provides an adjustable recirculate freeze protection.
Sensors can be located up to 1000 feet away.
Made in the USA
5 Year MFG Warranty
Built-In Freeze Protection
8°-24°F adjustable turn-on differential
4°F fixed turn-off differential
110°-230°F adjustable high limit
120/240 VAC Input
115V, 1HP, 20A, or 240V, 2HP, 20A Output
Environment: 15°F to 130°F 0 to 95% rH
Accuracy: +/- 1°F
Dimensions: 5.875" x 4.875" x 2.375"
Sensor Resistance Chart
Installation manual available with order.
GL30 = No Line Cord Attached
GL30-LCO = Line Cord Attached w/External Switched Outlet
List price $225.70 ~ You save $55.75
2 SB Sensors $32.00
Terms & Conditions
Your IP Address is 188.8.131.52