Description
Honeywell VQ425MA1005
All-in-one combination valve integrating zone valve, flow control, and check valve for simplified hydronic system installation
| Brand | Honeywell |
| Model | VQ425MA1005 |
| Voltage | 24V AC |
| Country of Origin | United States |
| Weight | 0.68 kg |
| Dimensions | 102x76x64 mm |
| Warranty | 6 months |
| Certifications | UL Listed, CSA Certified |
| SKU / MPN | VQ425MA1005 |
| What’s in the box | Combination valve unit, actuator, mounting hardware, installation manual |
| Port Size | 3/4 inch NPT |
| Flow Capacity | 3 GPM at 1 PSI differential |
| Max Pressure | 125 PSI working pressure |
| Temperature Range | 35°F to 240°F (2°C to 116°C) |
| Valve Type | Diaphragm zone valve with integral flow control and check valve |
| Actuator | 24V AC, 2-wire, spring return |
Key benefits: Three valves in one compact unit, reduces installation time and cost, reliable diaphragm design, quiet operation, no separate check valve needed, compatible with most hydronic systems
Typical applications: Residential hydronic heating, radiant floor heating zones, baseboard heating circuits, light commercial boiler systems, multi-zone heating applications
Lifecycle: Active product, widely stocked, long-term availability expected
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Exact match for many brands
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Guaranteed for one full year
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Mark O. –
Excellent built quality. Integrated easily into our existing control system.