Products Our motto "Technology for Environmental Protection" has long been an inherent part of our product development philosophy and product range. More Informations Industries & Topics Industries & Topics Overview Fuel oil components Fuel oil components Overview Fast and clean oil filter change Avoiding fungal attacks in biofuel More performance with the sintered plastic sieve AFRISO Smart Home AFRISO Smart Home Overview Gateway HG 02 Products Products Overview Gateway products Security Comfort Indoor climate AFRISOhome App Alexa Smart home applications Smart home applications Overview Leakage security Security Stand-alone applications Stand-alone applications Overview Getting started with AFRIShome Smart Home AFRISOcloud AFRISOcloud Overview Monitoring containers and tanks Monitoring of separators Craft 4.0 Craft 4.0 Overview EUROLYZER® CAPBs® sets CAPBs® sets Overview App Heat source manifold HSM Heat source manifold HSM Overview Challenge System possibilities Hybrid application OEM-Manifold systems Hydraulic Balancing Hydraulic Balancing Overview Vario-DP Tank conversion Hygienic processes AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview GET Nord 2026, Hamburg Search Domestic technology Equipment for heating systems, boiler rooms and chimneys Frost protection valve AAV Link copied! Images 2 Frost protection valve AAV Frost protection valve for heat pumps Variants Downloads Benefits for protecting monobloc or hydrosplit heat pumps against frost damage in the case of malfunctions or power outagehelps to avoid major damage to system componentswith integrated vacuum breakerintegrated mounting valve for easy replacement of the thermostatic elementmaintenance-free Variants Technical data Downloads Variants Part no.Frost protection valve AAV 10281375Frost protection valve AAV 30281376 in-stock items manufactured goods Technical data System connectionAAV 102: G1 maleAAV 302: G1¼ AGFlow coefficient KvsAAV 102: 55 m³/hAAV 302: 70 m³/hNominal pressuremax. 10 barOpening temperature (medium)3 °C (± 1 °C)Closing temperature (medium)4 °C (± 1 °C)Operating temperature rangeMedium: 0/70 °CAmbient: -30/+60 °CMaterialHousing: brass (CW617N)spring: Stainless steelseals: EPDM Downloads FROST_PROTECTION_VALVE_AAV_25-10_EN.PDF Flyers PDF English German (Germany) Related products
AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview GET Nord 2026, Hamburg Search
Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview GET Nord 2026, Hamburg Search
Images 2 Frost protection valve AAV Frost protection valve for heat pumps Variants Downloads Benefits for protecting monobloc or hydrosplit heat pumps against frost damage in the case of malfunctions or power outagehelps to avoid major damage to system componentswith integrated vacuum breakerintegrated mounting valve for easy replacement of the thermostatic elementmaintenance-free Variants Technical data Downloads Variants Part no.Frost protection valve AAV 10281375Frost protection valve AAV 30281376 in-stock items manufactured goods Technical data System connectionAAV 102: G1 maleAAV 302: G1¼ AGFlow coefficient KvsAAV 102: 55 m³/hAAV 302: 70 m³/hNominal pressuremax. 10 barOpening temperature (medium)3 °C (± 1 °C)Closing temperature (medium)4 °C (± 1 °C)Operating temperature rangeMedium: 0/70 °CAmbient: -30/+60 °CMaterialHousing: brass (CW617N)spring: Stainless steelseals: EPDM Downloads FROST_PROTECTION_VALVE_AAV_25-10_EN.PDF Flyers PDF English German (Germany)