Solar Thermal
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Caleffi Series R610 Union Nut for 3/4" SolarFlex with 1" Female Thread
Caleffi Union Nut for 3/4" SolarFlex with 1" Female ThreadUnion Nut for 5213, 521 and 2521 Series$2.48 -
Caleffi Series NA100 Sensor Well with 1/2" NPT Male Thread 1/4"
Caleffi Sensor Well with 1/2" NPT Male Thread 1/4" 0 I.D.Sensor well, ¼" Ø I.D. for Pt1000 temperature sensors 257205 and 257206$12.73 -
Caleffi Series NA100 3/4" Sweat Adaptor to 3/4" SolarFlex with 1" Male Thread
Caleffi 3/4" Sweat Adaptor to 3/4" SolarFlex with 1" Male ThreadSweat Adapter$11.91 -
Caleffi Series NA100 Sweat Adapter to 3/4" SolarFlex-3/4"
Caleffi Sweat Adapter to 3/4" SolarFlexSweat Adapter$11.49 -
Caleffi Series 255 Dual Line Pump Station Return and Flow, 3 Speed
Caleffi Series 255 Dual Line Pump Station Return and Flow, 3 SpeedSolar pump stations are pre-assembled and leak-tested. Safety relief valve. Ball valves with built-in fl ow checks in return (and fl ow for dual-line models). Temperature gauges in return (and fl ow for dual-line models). Pressure gauge. Manual air vent (dual-line models only). Expansion tank connection. Connections for fl ushing and fi lling. 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.$506.44 -
Caleffi Series R500 SolarFlex Union Washer
Union WasherCaleffi Series R500 SolarFlex Union Washer$1.25 -
Caleffi NA35 SolarFlex Stainless Steel Insulated Pipe with Sensor Wire
Caleffi NA35 SolarFlex Stainless Steel Insulated PipeSolarFlex™ stainless steel piping with EPDM insulation. Used to connect solar collector with storage tank. Integrated sensor cable saves time and reduces cost. Packaged in a 50 foot continuous coil ensures a leak-free installation. Max. working pressure: 150 psi. Max. fl uid temperature: 350ºF. Min. surface temperature: -60ºF. Min. bend radius: 5". Flammability: Class VO. Flame spread/smoke density: 25/50 Agency approvals: ASTM D 635 ASTM C 177 Includes fi tting kit.$590.36 -
Caleffi Series NA 350 Black Film Tape UV Resistant 50ft Roll 2" Width
EPDM foam UV resistant insulating tape to wrap fitting connections.Caleffi Series NA 350 Black Film Tape UV Resistant 50ft Roll 2" Width$8.02 -
Caleffi Series NA292 Shut Off Air Vent Valve 1/2" NPT Female to 1/2" Male
Caleffi Series NA292 Shut Off Air Vent Valve 1/2" NPT Female to 1/2" MaleShut-off for automatic air vent. Working temperature range: -20—360ºF. Max. working pressure: 150 psi.$24.01