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Automatic Thermostatic Valves – Angle & Straight Radiator Valves for Heating Systems

Coliter®’s automatic thermostatic valves enable precise, energy-saving temperature control in hydronic radiator systems. The series includes straight (NQ1022, NQ1019, NQ1017) and angle (NQ1039, NQ1023, NQ1020, NQ1016) models with pre-set or adjustable thermal heads that automatically modulate hot water flow based on room temperature—no electricity required. Constructed from high-quality brass with lead-free compliance, rated at PN10 (1.0 MPa), and suitable for temperatures up to 110°C, these valves comply with European heating standards and feature M30×1.5mm mounting threads for universal thermostat head compatibility. Ideal for residential and commercial radiator retrofits—reducing energy consumption by up to 20% while enhancing comfort.