{"title":"Controls","description":null,"products":[{"product_id":"tekmar-152-two-stage-setpoint-control","title":"tekmar 152 Two-Stage Setpoint Control","description":"The tekmar 152 is a two-stage setpoint control designed for precise temperature management in HVAC systems. It provides accurate control for heating or cooling applications, responding to system demands with two distinct stages of operation. This controller is suitable for various hydronic and geothermal installations requiring setpoint regulation.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077962342644,"sku":"TK152","price":271.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711980837.png?v=1787712495"},{"product_id":"tekmar-261-two-stage-heat-source-control-w-outdoor-reset","title":"tekmar 261 Two Stage Heat Source Control w\/ Outdoor Reset","description":"The tekmar 261 is a two-stage heat source control with outdoor reset functionality, optimizing energy efficiency in hydronic heating systems. It manages two stages of heat generation based on outdoor temperature, reducing fuel consumption and improving comfort. This controller is ideal for geothermal and boiler applications requiring intelligent heat source management.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077962375412,"sku":"TK261","price":487.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711998087.png?v=1787712209"},{"product_id":"tekmar-003-relay-24vac-coil-dpdt","title":"tekmar 003 Relay, 24VAC Coil, DPDT","description":"The tekmar 003 is a general-purpose DPDT (Double Pole, Double Throw) relay with a 24VAC coil. It is used for switching electrical loads in HVAC and control systems, providing reliable isolation and signal routing. This relay is suitable for various applications requiring low-voltage control of higher-voltage circuits.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077962539252,"sku":"TK003","price":52.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711969338.png?v=1787712489"},{"product_id":"tekmar-004-relay-120vac-coil-dpdt","title":"tekmar 004 Relay, 120VAC Coil, DPDT","description":"The tekmar 004 is a DPDT (Double Pole, Double Throw) relay featuring a 120VAC coil, designed for switching applications in HVAC and industrial control systems. It provides robust electrical isolation and signal management for various loads. This relay is ideal for controlling higher voltage circuits with a standard line voltage input.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077962604788,"sku":"TK004","price":53.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711985514.png?v=1787712979"},{"product_id":"tekmar-257-two-stage-dhw-control","title":"tekmar 257 Two-Stage DHW Control","description":"The tekmar 257 is a two-stage domestic hot water (DHW) control designed for hydronic heating systems. It manages the operation of two-stage DHW heating equipment to maintain desired water temperatures efficiently. This control integrates into a broader hydronic system to optimize DHW production and energy usage.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077963129076,"sku":"TK257","price":267.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711990315.png?v=1787713371"},{"product_id":"tekmar-564b-black-wifi-thermostat-two-wire-invita-limited-inventory","title":"tekmar 564B Black WiFi Thermostat Two Wire Invita (LIMITED INVENTORY)","description":"\u003ch4 id=\"title\"\u003eInvitaTM WiFi Thermostat 564 - Solves the 2-wire problem.\u003c\/h4\u003e\nThe Invita™ WiFi Thermostat makes upgrading easy by using the existing 2-wires from any living space to connect to an HVAC Interface Module in the mechanical room. It works with most types of heating and cooling systems including conventional, heat pump and dual fuel while offering fan, relative humidity and ventilation control. The Invita Connect app provides secure WiFi adjustment, and can send email notifications when there are problems with the HVAC system. The Invita WiFi Thermostat is available in both white and black finishes and offers a choice of five display screen color themes.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077986722036,"sku":"TK564B","price":224.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787712003029.png?v=1787713377"},{"product_id":"tekmar-564w-white-wifi-thermostat-two-wire-invita","title":"tekmar 564W White WiFi Thermostat Two Wire Invita","description":"\u003ch4 id=\"title\"\u003eInvitaTM WiFi Thermostat 564 - Solves the 2-wire problem.\u003c\/h4\u003e\nThe Invita™ WiFi Thermostat makes upgrading easy by using the existing 2-wires from any living space to connect to an HVAC Interface Module in the mechanical room. It works with most types of heating and cooling systems including conventional, heat pump and dual fuel while offering fan, relative humidity and ventilation control. The Invita Connect app provides secure WiFi adjustment, and can send email notifications when there are problems with the HVAC system. The Invita WiFi Thermostat is available in both white and black finishes and offers a choice of five display screen color themes.","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":49077986787572,"sku":"TK564W","price":281.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/1787711976467.png?v=1787712549"}],"url":"https:\/\/shop.phoenixenergysupply.com\/collections\/controls-1.oembed","provider":"Phoenix Energy Supply","version":"1.0","type":"link"}