Product Details:
Voltage: 24 Vac
Flame sense: Two rod
Ignition trial time: 4 sec
Lockout timing: 4 sec

Honeywell S87D1020 direct spark ignition:
Ignition Modules provide electronic control of direct spark ignition systems used on gas fire furnaces, boilers, and other heating appliances.
Control ignition sequence and gas control operation.
Generate high voltage potential for main burner ignition.
Lockout after one trial for ignition if main burner fails to ignite.
Reset from thermostat after lockout.
Use modules (except S87C) with any combination gas control designed for direct spark applications and rated 2.0A or less.
Ignition System Type: Direct Spark Ignition
Typical Gas Control: VR8205, VR8305
Type of Gas: Natural or LP
Ignition Source: Internal high voltage spark generator
Ignition Trials To Lockout: 1
Approximate, Dimensions: 5 1/4 in. high x 4 1/16 in. wide x 1 15/16 in.
long (133 mm high x 103 mm wide x 49 mm deep)
Electrical Ratings: 24 Vac
Frequency: 60 Hz
Ambient Temperature Range: -40°F to +175°F (-40°C to +79°C)
Approvals, CSA: File 112491_0_000
Flame Failure Response Time (sec): 0.8 sec. @ 5.0 microamp
Flame Failure Re-ignition Time (sec): 0.8 sec. maximum