The Caleffi 535370HA is a PressCal pressure reducing valve (PRV) with 1-1/4" female NPT threaded connections, supplied without a gauge. It reduces high incoming water pressure to a steady, adjustable outlet pressure.
PressCal valves are ASSE 1003 listed, low-lead, pre-adjustable PRVs for domestic water systems, typically installed on the main water service after the meter to protect fixtures, appliances and piping from excess pressure. The brass body is rated for a maximum pressure of 300 psi.
Before ordering: match the PRV to your 1-1/4" service line and confirm the female NPT connection. Male threaded nipples or adapters are needed on both sides. If you want to read outlet pressure at the valve, choose a version with a gauge. Check local code for thermal expansion requirements once a PRV is installed.
Specifications
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Brand: Caleffi
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Manufacturer Part #: 535370HA
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Series: PressCal
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Type: Pressure reducing valve, pre-adjustable
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Size: 1-1/4"
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Inlet x Outlet: FNPT x FNPT
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Material: Brass
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Max Pressure: 300 psi
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Includes: No gauge
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Standards: ASSE 1003
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Lead Content: Low lead
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UPC: 8016615549317
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Category: Pressure Reducing Valves
Documents
See also: pressure reducing valves, all Caleffi products.