Emerson Climate - White Rodgers 37E73A-903 Intelli-vent Control is a combination gas valve, ignition control, and thermostat used for Power Vented water heaters. This unit has a 1/2-inch NPT inlet connection and 1/2 -inch inverted flare outlet
The control device is designed to have advanced INTELLI-VENT technology wherein a microcomputer regulates water heater ignition sequence and timings. For quick monitoring, the control uses diagnostic codes that represent system malfunction. In front of the control, a temperature indicator is provided, and the control has 21D64-2 White-Rodgers’ Silicon Nitride Ignitor for direct burner ignition
Ignitor Load | 2 Amps maximum |
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Input and Frequency | 120 VAC, 60 Hz |
Current | 0.2 Amps @ 120 VAC |
Range of Regulation (Btu/Hr) | 30,000 - 150,000 |
Maximum Inlet Pressure | 1/2 PSI maximum |
Ambient Temperature Rating | 32 F to 160 F (0 C to 70 C) |
Automatic High Temperature Cutoff | Single-Use Type, 185 F(82 C) |
Prepurge/Interpurge/Postpurge Time | 5 Seconds |
Ignitor Warm-up Time | 20 Seconds |
Trial for Ignition Period | 4 Seconds |
Download Product Information:
White-Rodgers 37E73A-903 Intelli-Vent Water Heater Thermostat Control Instructions Sheet
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