Description:
Maximum percentage of glycol:  50%
Maximum working pressure:  150 psi
Working temperature range:  -20°F - 320°F
Safety relief valve setting:  90 psi
Maximum temperature of shut-off valves with built-in flow checks:  250°F
 
Consisting of:
- Wilo Star pump, 16 ft head, 115VAC, UL listed
- Safety relief valve 253 Series for solar systems
- 2 filling / draining valves with hose connection
- Pressure gauge
- Flow adjusting valve with built-in flow meter
- Return temperature gauge
- Shut-off valve with built-in flow check
- Pre-formed insulation shell