-17%
Honeywell Material Number- VMU680A1017 Venturi Mixing Unit Control
- Body Pattern: Straight flange
- Maximum Safe Operating Pressure (psi): 1/2 psi (CSA approved)
- Maximum Operating Pressure (mbar): 35 mbar (CSA approved)
- Reference Load: 680 kW (2,320,840 Btuh)
Original price was: $298.00.$246.00Current price is: $246.00.
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Venturi Mixing Unit
The venturi mixing unit (VMU), combined with the V4730C/ V8730C
gas valves and specific direct current (dc) fan, has been
developed for modulating premix appliances like gas burners and
gas boilers.
Description
The venturi mixing unit (VMU), combined with the V4730C/ V8730C
gas valves and specific direct current (dc) fan, has been
developed for modulating premix appliances like gas burners and
gas boilers.
• Has a wide modulation band (14 to 100% of the boiler load).
• Flexible mounting positions of gas control to venturi manifold and
venturi manifold to fan.
• Two stainless steel sensing tubes are provided for use with or
without manual safety shutoff valve.
Specifications
- MaterialsHousing: Aluminum, Venturi: Statically dissipative statcon PF, Seals: Rubber (NBR).
- Ambient Temperature Range32°F to 212°F (0°C to 100°C)
- Approvals, CSAFile: Certificate No: 158158-1227192
- Pipe ConnectionFour M5 screws and a rubber O-ring are provided with the venturi to assemble it to the V4730C/V8730C gas valve. The stainless steel tube provided with the venturi has to be connected between the venturi inlet (connection provided) and the gas valve regulator. Longer sensing tube for use with manual safety shutoff valve (KTTBA002). Shorter sensing tube for use without manual safety shutoff valve (KTTBA001).
- CommentsPressure Drop: Approximately 3.2 in. wc (800 Pa) across the venturi at reference load. The minimum load for which the system can be used is 14-17% of the reference load, which equals a minimum pressure differential of 0.2 in. wc (50 Pa) of the 1:1 venturi/servo regulator gas control.
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