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The A.Y. McDonald compact 72602EXPC pressure reducing valve cuts incoming water pressure to a safe level to protect the plumbing system and its components. It has expansion PEX union x expansion PEX union connections, a pvc cap and a No-Lead brass body, and ships factory set at 50 PSI outlet pressure, adjustable from 25 to 75 PSI.
Included: one pressure reducing valve with its union end pieces, factory set at 50 PSI.
Adjusting: turn the stainless-steel adjustment bolt to set outlet pressure between 25 and 75 PSI, then lock it with the lock nut.
Covered for 1 year from the date of shipment from A.Y. McDonald’s factory under A.Y. McDonald’s published limited warranty, which applies to the products A.Y. McDonald manufactures.
| Construction | No-Lead brass body |
| Connections | Expansion PEX union x expansion PEX union (ASTM F1960) |
| Cap | PVC |
| Sizes | 3/4 in, 1 in |
| Outlet pressure | Factory preset at 50 PSI; adjustable 25 to 75 PSI |
| Maximum inlet pressure | 300 PSI cold working pressure (CWP) |
| Thermal expansion | Built-in thermal expansion bypass |
| Strainer | Integral stainless-steel strainer |
| Installation | Vertical or horizontal |
| Maximum service temperature | 180°F |
| PEX ends | Conform to ASTM F1960 (expansion PEX) |
| Compliance | ASSE 1003-2020, ANSI/NSF 372, ANSI/NSF 61-G, CSA B356 through IAPMO cUPC |
| Lead content | Weighted average of the wetted surface under 0.25% lead (A.Y. McDonald No-Lead definition) |
Source: A.Y. McDonald Plumbing Price List, effective 7-07-26, pp. 38-39; A.Y. McDonald Plumbing Catalog (1/25), No-Lead Pressure Reducing Valves, pp. 56-58.
| Part No. | Size | Sold As |
|---|---|---|
| 5427-058 | 3/4 in | Single |
| 5423-369 | 1 in | Single |
| Body | No-Lead brass |
| Union | No-Lead brass |
| Union nut | Brass |
| Stem | ASTM C46400 |
| Plunger | No-Lead brass |
| Spring, spring disc, diaphragm nut and disc | Stainless steel |
| Adjustment bolt and lock nut | Stainless steel |
| Strainer | Stainless steel |
| Diaphragm | NBR and nylon |
| O-rings and rubber ball | NBR |
| Name plate | Aluminum |
| Bonnet (cap) | PVC |
| Bonnet ring | POM (PVC bonnet only) |
From the A.Y. McDonald submittal data sheet.
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