{"title":"Thermostats","description":"\u003cp\u003eA hydronic thermostat calls for heat or cooling in one zone and switches the zone valve or fan coil serving it. Aquacoils supplies room controls with standard US terminal layouts, wired to fan coils and zone actuators. Our engineers specify which control each zone needs as part of every free system design.\u003c\/p\u003e","products":[{"product_id":"120v-60hz-fcu-thermostat-hydronic-controller-aquacoils","title":"120V 60Hz FCU Thermostat – Hydronic Controller | Aquacoils","description":"\u003ch4\u003eLine-Voltage 120V 60Hz FCU Thermostat for Hydronic Fan Coil Units\u003c\/h4\u003e\n\u003cp\u003eEngineered specifically for line-voltage hydronic space conditioning, the \u003cb\u003eAquacoils 120V 60Hz FCU Thermostat\u003c\/b\u003e provides precise climate control for multi-speed fan coil units (FCUs). Designed to integrate directly with 120V single-phase electrical systems without requiring low-voltage 24V step-down transformers, it delivers seamless management over room temperature, motorized valve actuators, and fan speeds.\u003c\/p\u003e\n\u003cp\u003eCompatible with both \u003cb\u003e2-pipe and 4-pipe hydronic configurations\u003c\/b\u003e, this controller offers intuitive manual or automatic summer\/winter changeover while optimizing airflow dynamics across wall-mounted, ceiling cassette, ducted, and console fan coils.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eKey Features \u0026amp; Technical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e120V \/ 60Hz Direct Line Voltage:\u003c\/b\u003e Operates directly on standard 120V 60Hz AC power, eliminating external control transformers in commercial and residential FCU installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e3-Speed Fan Motor Management:\u003c\/b\u003e Dedicated outputs for High, Medium, and Low AC fan motor speeds to balance occupant comfort, temperature stability, and acoustic noise levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e2-Pipe \u0026amp; 4-Pipe System Compatibility:\u003c\/b\u003e Configurable for seasonal 2-pipe heating\/cooling changeover or independent 4-pipe dual-valve control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMotorized Valve Actuator Control:\u003c\/b\u003e Directly switches 120V motorized water zone valves to precisely modulate hot or chilled water supply based on room setpoints.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAquacoils System Integration:\u003c\/b\u003e Engineered to pair directly with \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003ca rel=\"noopener\" href=\"https:\/\/aquacoils.com\/\" class=\"ng-star-inserted\" target=\"_blank\"\u003eAquacoils Fan Coil Units\u003c\/a\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e and air-to-water heat pump zone controls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eFrequently Asked Questions (AEO Quick Answers)\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eQ: Is a transformer required to install this 120V 60Hz FCU thermostat?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eA:\u003c\/b\u003e No. This controller operates on direct 120V 60Hz line voltage, switching the 120V fan motor speeds and 120V valve actuators directly without needing a 24V step-down transformer.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Can this 120V 60Hz FCU thermostat control both heating and cooling in a 2-pipe system?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eA:\u003c\/b\u003e Yes. In a 2-pipe hydronic system, the thermostat manages a single motorized valve and adjusts heat\/cool modes depending on whether hot water or chilled water is circulating through the supply loop.\u003c\/p\u003e","brand":"Aquacoils","offers":[{"title":"Default Title","offer_id":49661959930008,"sku":"Aqua-Thermostat-Concealed-120v","price":58.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/2743\/9768\/files\/CassetteThermostatimage1.jpg?v=1786246804"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/2743\/9768\/collections\/Cassette_Thermostat_image_1.jpg?v=1786084262","url":"https:\/\/aquacoils.com\/collections\/thermostats.oembed","provider":"Aquacoils","version":"1.0","type":"link"}