Solar Thermal
-
Caleffi Series NA267 Dual Sweat Kit Fitting 3/4" Male Thread by 3/4" Sweat Fitting
Pump Station FittingsCaleffi Series NA267 Dual Sweat Kit Fitting 3/4" Male Thread by 3/4" Sweat Fitting$83.13 -
Caleffi Series NA266 1" SolarFlex Direct to Top or Bottom Kit
Pump Station FittingsCaleffi Series NA266 1" SolarFlex Direct to Top or Bottom Kit$47.24 -
Caleffi Series 266 Single Line Sweat Fitting Kit 3/4" Male Thread to Sweat Fitting
Caleffi Single Line Sweat Fitting Kit 3/4" Male Thread to Sweat FittingPump Station Fittings$37.03 -
Caleffi Series NA266 Single Line 3/4" SolarFlex Direct Fitting Kit 1" Male Thread by 1" Male Thread
Pump Station FittingsCaleffi Series NA26650 Single Line 3/4" SolarFlex Direct Fitting Kit 1" Male Thread by 1" Male Thread$25.52 -
Caleffi Series NA266 Single Line 1/2" SolarFlex Direct Fitting Set for Pump Station
Pump Station FittingCaleffi Series NA266 Single Line 1/2" SolarFlex Direct Fitting Set for Pump Station$22.53 -
Caleffi Sensor Well w/ 3/4" NPT Male Thread
Caleffi Sensor Well w/ 3/4" NPT Male ThreadCaleffi iSolar NA257209 Sensor Well$16.53 -
Caleffi Series NA121 Connection Kits for SolarFlex
SolarFlex Extra Connection KitsCaleffi Series NA121 Connection Kits for SolarFlex$16.11 -
Caleffi Series 101 Sweat Adapter 1" Sweat to 1" SolarFlex 1 1/4" Union Thread
Sweat to SolarFlex AdapterCaleffi Series 101 Sweat Adapter 1" Sweat to 1 1/4" Union Thread$15.14 -
Caleffi Series 101 Sweat Adapter 3/4" Sweat to 1/2" SolarFlex 3/4" Male Thread
Sweat To SolarFlex AdaptorCaleffi Series 101 Sweat Adapter 3/4" Sweat to 3/4" Male Thread$11.02 -
Caleffi Series 257 iSolar BX Multi-functional Temperature Differential Controller
Caleffi Series 257 iSolar BX Multi-functional Temperature Differential ControllerThe iSolar™ BX is a multi-functional temperature differential controller with add-on system functions for use in a wide variety of solar thermal heating applications. iSolar™ BX is equipped with four relay outputs; three triac pump speed control relays and one standard relay. These outputs include two pulse width modulation (PWM) outputs that enable energy conservation measures for high-effi ciency direct current (DC) pumps. The controller is equipped with fi ve Pt1000 sensor inputs, two analog Grundfos sensor inputs, and one impulse fl ow meter input. Twenty six system confi guration options are predefi ned for control of a standard solar water heating system, drainback systems, supplemental space heating, multiple storage tanks, heat dump and storage tank booster heating.$314.86