Find answers to the most common questions about pipes, fittings & valves.
Measure the outer diameter (OD) for tubing or inner diameter (ID) for pipes. Use a caliper for precision.
Brass or stainless steel fittings resist corrosion. For PVC, use schedule 40 with waterproof PVC cement and primer.
Compression fittings use a ferrule and nut for a tight seal (ideal for water lines), while push-to-connect fittings snap into place (no tools needed, great for quick repairs).
Pressure-balanced valves maintain consistent temperature by adjusting water flow, while thermostatic valves allow precise temperature control - installation complexity differs between models.
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