Nvc series b-vent, Vent safety switch, Electrical connection – Vermont Casting NVC43 User Manual
Page 14: Remove the front louvre assembly, Locate the sensor, Light the fireplace and check for downdrafts, Fig. 18 vent safety switch, Fig. 19 vent safety switch wiring, en/ep units, Fig. 20 rn/rp units using a remote on/off switch
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