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Testo 550 digital - , manifold
$225.00
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Testo 550 digital - testo,
$189.99
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Testo 550s smart - testo, hvac
$299.87
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Testo 550s smart kit - smart,
$499.00
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Testo 550s manifold gauge - testo,
$404.97
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Testo 550s wireless smart - wireless,
$710.85
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Testo 550 bluetooth digital - testo,
$325.00
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New testo 550s smart digital - testo,
$389.95
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Testo 550i app controlled - testo, app-controlled
$155.00
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Testo 550 digital manifold - 550,
$176.39
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Testo 550s digital manifold - testo,
$399.00
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Testo 550s manifold - 550s, gauge
$425.00
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Testo 550 others - testo,
$47.50
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Testo 550 digital - digital, 2-valve
$160.00
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Testo 550 others - testo, &
$40.00
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New testo 550s - new, manifold
$404.95
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Testo 550 digital manifold - 550,
$125.00
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Testo 550 manifold - testo, ac
$207.00
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Testo 550 digital manifold - testo,
$180.00
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Testo 550 digital - digital, manifold
$300.00
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Testo 550s manifold gauge - ac,
$404.99
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Testo 550s digital manifold - testo,
$230.00
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Testo 550 digital valve - testo, 2-valve
$300.00
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Testo 550s digital - testo, manifold
$417.99
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Testo 550s digital manifold - testo,
$390.00
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Testo 0613 5505 - testo,
$77.00
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Testo 550s smart digital - 550s,
$480.00
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Testo 550 digital manifold - digital,
$299.95
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Testo 550s basic kit digital - testo,
$424.15
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Testo 0564 2552 552i - 2552, 01
$163.50
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Testo 550s digital - 550s, manifold
$425.00
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Testo 549 refrigeration - testo,
$224.95
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Testo 550s basic kit valve - 550s-basic-kit, 2-valve
$455.60
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Testo 550s digital - testo,
$442.00
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Testo 550i digital wireless - testo,
$430.00
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Testo 550 digital hvac - 550,
$200.00
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Testo 550s digital manifold - 550s,
$799.95
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Testo 0613 5505 - testo,
$79.00
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520536 testo 500 - testo,
$300.00
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Testo 0563 0002 smart - 0563,
$379.00
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Testo 550 digital - 550,
$190.00
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Testo 550s digital - testo,
$366.59
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Testo 550 digital manifold - testo,
$400.00
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Testo 550s basic digital - .,
$399.00
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Testo 550s - testo,
$424.99
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Testo manifold valve - testo,
$39.99
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Testo 0613 5505 clamp probe - clamp,
$177.18
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Testo 550s digital hvac - digital,
$500.00
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Testo 552i app - testo,
$164.00
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Testo 550s digital - testo, manifold
$450.00
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Testo 0563 5506 transport - 0563, case
$40.00
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Testo 550s digital manifold - testo,
$442.00
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Testo 550s digital manifold - testo,
$520.35
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New testo 0613 4611 pipe - 0613,
$95.40
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Testo 550 digital manifold - testo,
$275.00
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Testo digital manometer - digital, manometer.
$200.00
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Testo 550s smart kit digital - 550s,
$575.45
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Testo 550s smart kit - testo, digital
$803.26
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Testo 550i manifold - manifold, gauge
$329.99
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Testo 550s digital manifold - testo,
$366.10
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Genuine oem testo 0613 5506 - genuine,
$80.99
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Testo 550s manifold gauge - ac,
$439.99
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Testo 550s digital - testo, manifold
$407.22
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Testo 0564 2552 552i - 0564,
$164.50
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Testo 550sbasic hose - 550sbasic, smart
$407.99
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Testo 550s digital manifold - testo,
$446.35
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Testo 550i app controlled - testo, app-controlled
$377.74
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Genuine testo protective case - genuine,
$157.92
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Testo 550s digital - 550s,
$444.47
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Testo 550 digital manifold - testo,
$399.99
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Testo 550s manifold gauge - testo, ac
$492.00
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Testo 550i smart humidity kit - testo, 550i-smart-humidity-kit
$644.55
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Orange soft case - case/bag, use
$17.99
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Testo 550s digital - testo,
$464.10
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Testo 552i digital vacuum - testo,
$214.99
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Testo 550s digital manifold - testo,
$447.01
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Testo 550s manifold gauge - testo, ac
$410.00
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Testo 550s digital - 550s,
$442.00
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Testo 550s smart kit - testo,
$600.00
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Testo 0613 5505 clamp - 0613,
$79.84
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Testo 0613 5505 clamp probe - testo,
$161.51
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Testo 550i app controlled - testo,
$450.00
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Testo 0613 5505 clamp probe - 5505,
$78.78
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Testo 0613 5505 clamp probe - clamp,
$99.81
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Testo 0554 5570 digital - 0554,
$60.00
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Testo 550s digital - 550s, manifold
$548.00
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Testo 550s smart kit valve - testo, 2-valve
$699.00
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Testo custom transport - custom,
$159.00
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Testo 550s digital manifold - digital,
$498.00
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Testo 550s manifold gauge - ac,
$389.06
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Testo 550s digital manifold - testo,
$366.59
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Testo 550s manifold gauge - testo,
$609.67
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Testo 0613 5505 - 5505, probe
$79.25
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Testo 550 digital valve - testo,
$150.00
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Testo 550s digital - 550s,
$481.51
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Looking for more testo 550?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 95 testo 550 listings currently in our index. Prices range from $17.99 to $803.26, with an average of $329.65. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about testo 550 →
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Whether you are looking for a brand-new or second-hand testo 550, eBay offers one of the largest selections available online. With 95 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $17.99, while premium listings can reach $803.26 — giving you a wide budget spread to work with. The average price of $329.65 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.