louver fan for sale, brand-new and used.

Welcome to CRAWL SPACE DOOR SYSTEMS, Inc. Delivering Innovative Flood and Air Products to Protect your Health and Crawlspace with the best products in the market.

Welcome to CRAWL SPACE DOOR SYSTEMS, Inc. Delivering Innovative Flood and Air Products to Protect your Health and Crawlspace with the best products in the market. This crawlspace door has a 12"

Welcome to CRAWL SPACE DOOR SYSTEMS, Inc. Delivering Innovative Flood and Air Products to Protect your Health and Crawlspace with the best products in the market. This crawlspace door has a 24" height x 36" width&

Welcome to CRAWL SPACE DOOR SYSTEMS, Inc. Delivering Innovative Flood and Air Products to Protect your Health and Crawlspace with the best products in the market.

P66 SERIES ELECTRONIC FAN SPEED CONTROL (P66AAB-26C) P66AAB High-Pressure Models DESCRIPTION The P66 is a pressure-actuated electronic motor speed controller. By directly sensing pressure, this device electronically varies the speed of a fan motor. This control can be used with a single-phase permanent split capacitor and shaded pole motors that are approved by the motor and equipment manufacturer for speed control applications.

Markel Electric Unit Heater P3P5105CA1N Taskmaster 5100 Series

Taskmaster 5100 Series Horizontal or Vertical Mounted Fan Forced Electric Heater for commercial use Heaters are used (we purchased 2) and were used for a little over a month this winter season. We WAY over speced our needs While these puppies can put out some heat, they draw too much current for our little shop. These heaters come at a great deal.

PCV1 Powered Crawlspace Vent Powered Crawlspace Vent (Model PCV1) creates a powered ventilation system for crawlspaces that can be utilized in both old and new construction. The PCV1 crawlspace fan is designed to be mounted behind any new or existing crawlspace vent. Its operation is controlled with a temperature switch /humidistat control which activates the motor at or above 50?F and is user adjustable for the varying levels of relative humidity in your crawl space.

Markel Electric Unit  Heater 

This is a NEW OLD STOCK Grainger Dayton 2C912B 10" Rooftop Ventilator. It is a 115VAC Unit and onlt draws like 1.3 amps and runs at 1500 RPM. Don't have original box anymore.

NEW Lomanco 2000BROWN 3.4 Amp Power Roof Ventilator - Brown

NEW Lomanco 2000MILL 3.4 Amp Mill Power Roof Ventilator

This APS unit(30"Lx20"Wx32"H) sits on a rolling all metal table (30"Lx18.5"Wx32"H) with locking caster wheels. They are being sold together. All of the components are in fine working order.