Water Hammer Arrestor Piping Kit
The Haws 932X water hammer arrestor and piping kit series is designed for use with the Haws 9321, 9326 and 9327 Instantaneous Water Heaters. The kit is supplied with stainless steel piping, 1-1/4" 316 stainless steel supply valve and Y strainer, lead-free bronze 1-1/4" pressure regulating valve, and a lead-free brass water hammer arrestor. There are 10 kits available according to the size of arrestor needed, and whether the heater is ordered with or without support legs (refer to the sizing chart below).
Water Hammer Arrestor Sizing Chart |
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| Pipe Length (header to shower) | Arrestor Size | 9326/7 Unit with Legs Kit # | 9321/6/7 Unit without Legs Kit # |
| 15' | B | 932X-12 | 932X-11 |
| 15' — 30' | C | 932X-22 | 932X-21 |
| 30' — 50' | D | 932X-32 | 932X-31 |
| 50' — 70' | E | 932X-42 | 932X-41 |
| 75' — 90' | F | 932X-52 | 932X-51 |
