Honeywell SV9541Q2561 24 Vac, Standard Opening 2-stage Smart Gas Valve (1/2" NPT x 1/2" NPT)

Honeywell SV9541Q2561 24 Vac, Standard Opening 2-stage Smart Gas Valve (1/2" NPT x 1/2" NPT)

Honeywell SV9541Q2561 24 Vac, Standard Opening 2-stage Smart Gas Valve (1/2" NPT x 1/2" NPT) QR Code
Product Code: SV9541Q2561 UPC: 85267297677

Availability: Out Of Stock

Weight:2.20 lb

Dimensions (L x W x H ): 7.00 x 6.00 x 4.00

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3 or more $186.95
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The SmartValve System Controls combine gas flow control and electronic intermittent pilot sequencing functions into a single unit. The Q3450 or Q3480 Pilot hardware supplies the low voltage igniter, flame sensor and pilot burner. These ignition system controls provide all gas ignition safety functions by controlling gas flow, ignition source, and a 120 Vac or 240 Vac combustion air blower. The controls also monitor the appliance airflow proving switch and limit string to assure proper appliance operation, and provide prepurge, postpurge, and timed trial for pilot ignition with 100 percent shutoff and Continuous Retry. Includes a diagnostic LED indicates system status.


  • These controls communicate directly with an electronic fan timer (ST9160 Electronic Fan Timer for single stage applications;
  • ST9162 Electronic Fan Timer for two-stage applications) in typical forced warm air furnace applications;
  • It can directly interface with the appropriate power supplies and a system thermostat for additional appliance applications;
  • When controlled directly by a thermostat, these controls do not provide a postpurge function, because power to the control is removed when the thermostat call for heat ends;
  • The Systems are suitable for a wide range of fan-assisted combustion gas-fired appliances including furnaces, rooftop furnaces, boilers, unit heaters, infrared heaters, water heaters and commercial cooking appliances.

Technical Specifications:

  • Electrical Ratings: 24 Vac;
  • Frequency: 50 Hz; 60 Hz;
  • Flame Failure Response Time: 1.6 sec @ 3µA;
  • PrePurge: 15 seconds;
  • Ambient Temperature Range: -40°F to +175°F (-40°C to +79°C);
  • Ignition System Type: Intermittent Hot Surface Pilot Ignition;
  • Ignition Sequence: Intermittent Pilot;
  • Type of Gas: Natural;
  • Flame Sense: Two Rod;
  • Ignition Source: Pilot;
  • Ignition Trials To Lockout: Continuous Retry;
  • Ignition Trial Time (sec): 90 seconds;
  • Body Pattern: Straight-through;
  • Opening Characteristics: Standard Opening 2-stage;
  • Pressure Regulator Setting: 1.7in. wc (0.42 kPa) low, 3.2in. wc (0.80 kPa) high;
  • Pressure Ratings: 1/2 psi (3.5 kPa);
  • Inlet/Outlet Size (in.): 1/2" NPT x 1/2" NPT;
  • Pilot Gas Outlet: Yes;
  • Maximum Capacity: 200 ft³/hr (5.7 m³/hr), 150 ft³/hr (4.2 m³/hr) @ 1in. P.D.;
  • Minimum Capacity: 20 ft³/hr (0.6 m³/hr);
  • Approvals: CSA International;
  • Dimensions (Width x Height x Length): 3.2" x 4.9" x 4.1" (81mm x 124mm x 104mm);
  • Includes: LP Conversion Kit;
  • Mounting: 0° to 90° in any direction from the upright position of the gas control knob, including vertically;
  • Voltage: Call for heat 24 Vac, 60 Hz;
  • Pressure Tapping: 1/8" - NPT.
Product Specs
Body Pattern:Straight-Through
Fuel Type:Natural Gas
Gas Type:Natural Gas
Ignition Trial Time:90 sec
Ignition Trials to Lockout:Continuous Retry
Ignition Type:Intermittent Hot Surface Pilot
Inlet Size:1/2"
Outlet Size:1/2"
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