Advent Air ACMHD Heat Strip. Condition is New. Shipped with USPS Priority Mail. Condition is Brand New. (No Manual) Model: ACMHD Brand: Advent Air Shipped with USPS Priority Mail Package. You Will Receive 1 ea #ACMHD Advent Air Heat Strip. RARE VINTAGE COLLECTIBLE SHIPS N 24 HOURS (Place Order And Pay For Order Any Business Day By 5 pm EST And We Will Ship Your Order Same Business Day ) Packed By Our Award Winning Packaging And Shipping Department Trusted Long Time 20 Year Plus E-commerce Seller LIMITED AVAILABILITY Electric Heat Strip for Advent Air RV Air Conditioners - 5,500 BTU Item # ACMHD This electric heat strip works with your AC unit (sold separately) to remove the chill from your RV or camper on cold or frosty mornings. Power cord and mounting hardware are included for easy, plug-and-play installation. Features: Electric heat strip removes the chill on cold or frosty mornings in your RV or camper Works with Advent Air AC units ACM135, ACM135B, ACM150, and ACM150B (sold separately) Works with Advent Air air distribution box ACDB (sold separately) Easy plug-and-play installation with included 30" power cord Mounting hardware is included Specs: Capacity: 5,500 Btu per hour Overall dimensions: 15-3/4" long x 2-3/4" wide x 4-3/4" tall How It Works Paired with your AC unit (sold separately), this electric heat strip keeps your RV warm on a cold or frosty morning. It is operated with the control dial on the air distribution box (sold separately). After you turn the dial to the heat setting, the compressor will shut off, and the fan will blow air over the heater and into your RV. When the optimal temperature has been reached, turn the dial to a fan or cooling setting. Please also note that the heat strip only has one temperature setting and cannot be controlled by the thermostat