Secure Ordering

US orders ship via Priority Mail. Delivery in 2-3 days.
Outside the US orders ship via Priority Mail International Delivery in 5-10 days.
Most orders ship the same day.
Use your credit card, debit card, or PayPal account.
All sales are final, no refunds or exchanges other than for damaged or missing items.
Wholesale inquiries welcome.
Outside the US orders ship via Priority Mail International Delivery in 5-10 days.
Most orders ship the same day.
Use your credit card, debit card, or PayPal account.
All sales are final, no refunds or exchanges other than for damaged or missing items.
Wholesale inquiries welcome.

Solar Differential Temperature Controller, Model DTC-1
10 in stock
specifications
Item Number: DTC-1
Price: $110.00

Solar Differential Temperature Controller, Model DTC-AT
DISCONTINUED – I have 3 available as PCB only – no case for $100.
Use your own enclosure. Email me for details.
specifications
Item Number: DTC-AT
Price: $135.00 $100

Solar Differential Temperature Controller, Model DTC-D
2 in stock
specifications
Item Number: DTC-D
Price: $240.00
Accessories
10K 1% NTC Thermistor with 6″ Teflon insulated 24 gauge leads
with 1″ X 3/16″ (26 X 5mm) nickel plated copper probe.
2 in stock
Item Number: T-1b
Price: $16.50 (per thermistor as shown)

10K 1% NTC Thermistor with 6″ Teflon insulated 24 gauge leads
with #8 lug.
14 in stock
Item Number: T-1
Price: $13.00 (per thermistor as shown)

DC Solid State Relay input 3 – 32VDC / output 5 – 110VDC @ 10A
9 in stock
Item Number: DCR
Price: $35.00
Recommended for pumps rated over 5 Amps (60 Watts).
Input terminals connect to output of DTC.
Output switches power to pump.
Red LED indicator built in.
