Contact / The retrofit

Let’s plan your upgrade.

Start with the existing tank and the outcome your property needs. Request to order the retrofit system, or ask about a qualified retrofit, a part, software access or an installation/service partnership.

The Subfield retrofit enhanced treatment system is sold directly by Subfield. There is no online store or checkout yet: send an order request and the Subfield team handles the order from there, starting with whether your existing tank qualifies. A request is not a confirmed order, a reservation or a compatibility decision. No payment is taken on this website, and prices, availability and timing are not published here.

Online sending is not switched on yet, so this page cannot deliver an order request to Subfield. Download or copy your brief below to keep it.

Anyone can buy the Subfield retrofit enhanced treatment system, but we strongly prefer that it be installed by a licensed septic or onsite wastewater professional. Local codes and permit requirements apply; check with your local health department or permitting authority before installing.

Online inquiries are not available yet. Prepare your project brief, then download or copy it for your records. Nothing is sent to Subfield.

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Subfield retrofit enhanced treatment system

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