Search results for 'legacy series'
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Caleffi Series 253 Saftey Solar Release Valve
Caleffi Series 253 Saftey Solar Release ValveSafety relief valves for solar systems. Working temperature range: -20—360ºF. Normal pressure: 150 psi. Opening over pressure: 10%. Closing differential: 20%. Discharge capacity: 171,000 BTU. Connections: Inlet, ½" female. Discharge, ¾" female.$29.41 -
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 NA121 Connection Kits for SolarFlex
SolarFlex Extra Connection KitsCaleffi Series NA121 Connection Kits for SolarFlex$16.11 -
Caleffi Series NA100 Sweat Adapter to 3/4" SolarFlex-3/4"
Caleffi Sweat Adapter to 3/4" SolarFlexSweat Adapter$11.49 -
Caleffi Series 2521 Adjustable Thermostatic Three Way Mixing Valve-3/4"
Caleffi Series 2521 Adjustable Thermostatic Three Way Mixing ValveAdjustable thermostatic three-way mixing valve for solar systems with built-in inlet check valves. Setting range: 80—150ºF. Max. working pressure (static) 150 psi. Max. working pressure (dynamic) 75 psi. Min. working pressure (dynamic) 30 psi. Max. inlet temperature: 210ºF. Connection: ½", ¾", 1" sweat. ASSE 1017 Listed. Lead Plumbing Law Compliance: (0.25% Max. weighted average lead content). Lead Plumbing Law Certifi ed by IAPMO R&T.$99.89 -
Caleffi Series NA255 dual-line solar pump station high head/flow w/ 3-spd Wilo Star 30 pump
Caleffi Series NA255 Commercial Solar Pump StationDrainback solar pump stations designed with a high head and steep pump curve which are pre-assembled and leak-tested. Safety relief valve, ball valve, temperature gauge, pressure gauge, air fi ll valve. Connections for fl ushing and fi lling with foam insulation. Balance/fl ow meter: ½—5 gpm scale. Pump: Grundfos UP15-100 Performance: 36 feet head / 8 gpm. Safety relief valve: 90 psi. Max. working pressure: 150 psi. Max. working temp: 360ºF. Connections: ¾" female thread. Agency approval: cULus.$840.68 -
Steca TR 0301 U controller
Steca TR 0301 U controllerThe Steca TR 0301 U controller was specially developed for the North American market based on the Steca TR 0301 basic controller. With its special certification (ETL label) from a Nationally Recognized Testing Laboratory (NRTL) in the US, the controller meets the safety standards and minimum requirements of the North American market.
A feature of the Steca TR 0301 series of controllers is the animated graphic display, which offers a complete visualisation of the solar energy system's operating status and solar circuit.
The clearly arranged display ensures easy operation using pictograms. The controller was jointly designed with an internationally renowned design centre. The controller is used for monitoring and controlling solar thermal systems with one collector array and one storage tank. In addition, the controller performs important system monitoring and safety functions to ensure safe and long-lasting operation of the entire system. The numerous additional functions of the Steca TR 0301 U also include a maximum storage tank temperature function, a tube collector function, an anti-freeze function, a holiday and storage recool function as well as a choice of temperature indications in either degrees Celsius (°C) or Fahrenheit (°F). The operational safety of the system is supported by a sophisticated fault diagnosis. The multi-coloured LCD backlighting ensures quick and safe location of occurring errors and facilitates quick troubleshooting.
The Steca TR 0301 U controller is supplied with a pre-fitted US mains connection cable and a preinstalled, pluggable pump output.
$125.23 -
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 R500 SolarFlex Union Washer
Union WasherCaleffi Series R500 SolarFlex Union Washer$1.25 -
Caleffi Series 251 Discal High Capacity Auto Air Vent 1/2" NPT Female
Caleffi Series 251 Discal High Capacity Auto Air Vent 1/2" NPT FemaleHigh-performance automatic air vent for solar heating systems. Working temperature range: -20—320ºF. Max. working pressure: 150 psi. Max. discharge pressure: 150 psi$55.10