Local Pickup FAQ's
Hover to zoom
1 Of 5
Caleffi iSolar 2 Multifunctional Solar System Temperature Controller, 1 Relay
Model:
257220A
+
Share This Product
Features
- Caleffi 257220A Features
- 4 Sensor Inputs
- 1 Triac Outputs
The Caleffi iSolar 2 Multifunctional Solar System Temperature Controller is a multi-functional temperature differential controller that provides complete control of the solar thermal system for safe and long-lasting operation. The iSolar microprocessor controller monitors and controls thermal solar energy systems by means of a collector sensor and a storage tank sensor. The controller also implements important system monitoring and safety functions. The controller is equipped for up to four temperature sensor inputs.
California residents see
Warning: This product can expose you to chemicals including Lead which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
257220A
Dimensions
Product Weight
2 Pounds
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years
Reviews
Caleffi 257220A Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.
Please share your insights with fellow shoppers.
How-To Articles
What Size Tankless Water Heater Do I Need
Size matters when it comes to your tankless water heater. In fact, it is t...
Signs You Need a New Water Heater
You’ve heard the stories. A 60-gallon hot water heater tank ruptures, flo...
An Intro to Indirect Water Heaters
If you heat your home with a boiler, you have the opportunity to get the most e...
Manuals
257220A
Ask A Question!
*Required Fields
+
Thank You For Submitting Your Question
Your submission has been sent successfully. Please give our experts up to two business days to respond.
Media Gallery
Caleffi iSolar 2 Multifunctional Solar System Temperature Controller, 1 Relay
Customer Review Images