Hitze Insights
Fittings & Systems
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Technical articles and updates
Cold Expansion (F1960) vs Crimp (F1807): PEX Connections Compared
F1960 cold expansion vs F1807 crimp for contractors: verified ASTM scopes, flow-path ID math, tool costs, cold-weather behavior and warranty risk.
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Push-Fit Fittings for Retrofit: Where They Save Time & Where They Don’t
Where push-fit fittings save time on retrofit and where they cost a callback: ASSE 1061 ratings, concealed-wall rules and install discipline, from…
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Lead-Free Brass Grades (CW617N / DZR / CW724R): What They Mean for Potable Water
CW617N vs DZR (CW602N/CW511L) vs CW724R: which brass is lead-free, which resists dezincification, and which certificate unlocks each market for resale.
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Press-Fitting Jaw Profiles (TH / U / F / M): Tool Compatibility Explained
TH, U, F and M press-fitting jaw profiles explained: which pipe each fits, why they aren't interchangeable, and how to switch brands…
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Mixing Pipe & Fitting Brands: The Warranty & Leak Risk
Mixing PEX fitting brands can void warranties and raise leak risk. See which joints are safe to mix, which aren't, and why…
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Building a Warrantable Pipe + Fitting System: The Single-Brand Case
A warrantable pipe system needs one brand for pipe and fittings. Why mixing brands voids coverage, what standards require, and how Hitze…
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