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How to install the app on iOS

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unvented

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane.
Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.

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We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.