{"product_id":"ista-external-aquarium-heaters","title":"Ista External Aquarium Heaters","description":"\u003cp\u003eThe Ista External Heaters are the ideal solution to heat your tropical aquarium without having to have an unsightly heater in on display in the aquarium.\u003c\/p\u003e\u003cp\u003eThe External Heater fit’s inline with your return pipe from an external filter and heats the water as it passes through the thermal spraying glass structure of the unit. The thermal spraying Glass also speed up the heating process making the heaters extremely efficient at heating your aquarium.\u003c\/p\u003e\u003cp\u003eTwo temperature sensors continuously monitor and display the temperature on the 2-line digital display and adjust the heat produced accordingly. The 2-line display shows both the set temperature and the real-time water temperature.\u003c\/p\u003e\u003cp\u003eAll Ista External Heaters are equipped with an auto power off system which shut the heater off if: the temperature rises 3°C above the set temperature, the temperature difference is 5°C or more between the two sensors or the temperature detected is over 36°C.\u003c\/p\u003e\u003cp\u003eSuitable for use in both freshwater and marine aquariums.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe Ista External Heaters are available in three models. Please select the required size from the dropdown menu.\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.tzong-yang.com.tw\/en\/data\/images\/201707\/External%20Heater-2.jpg\" alt=\"\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDimensions (all models):\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e19cm High x 7cm Deep x 6cm Wide (excluding hose tail)\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"150w","offer_id":57690133365061,"sku":"82318","price":45.99,"currency_code":"GBP","in_stock":true},{"title":"300w","offer_id":57690133397829,"sku":"82319","price":49.99,"currency_code":"GBP","in_stock":false},{"title":"500w","offer_id":57690133430597,"sku":"82320","price":56.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/ista_external.jpg?v=1776201340","url":"https:\/\/finest-filters.co.uk\/products\/ista-external-aquarium-heaters","provider":"Finest Filters","version":"1.0","type":"link"}