FP15GD-35-JQ Heat Pump Freeze Protection Valve Set
$36.001”, 1 1/4”, 1 1/2” Male Anti-freeze Valve DN25 DN32 DN40 Freeze Protection Valve Set for Monoblock Heat Pump
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1”, 1 1/4”, 1 1/2” Male Anti-freeze Valve DN25 DN32 DN40 Freeze Protection Valve Set for Monoblock Heat Pump

1”, 1 1/4”, 1 1/2” Anti-freeze Monoblock Heat Pump Freeze Protection Valve Set

Brass Freeze Protection Valve 1/2” NPT – Automatic Anti-Freeze Drain Water to Prevent Pipe Freezing Activates at 1°C to 4°C Temperature Control

Winning 3/4” NPT Brass Anti-Freeze Valve for R744 (CO₂) Heat Pumps & Flat Plate Collectors – Opens at 1°C to 4°C or 3°C to 6°C Automatic Drain

Winning Compact Heat Pump Freeze Protection Anti-freeze Valve 1” for Monoblock Heat Pump Systems – Durable Brass Valve with Threaded Connections