4" Vertical Vent Kit for Big Maxx MHU80LP and MHU80NG Unit Heaters

Mr. Heater 4" Vertical Vent Kit for Big Maxx MHU80LP and MHU80NG Unit Heaters

Price $99.99
This item is currently available online only.
  • Designed for vertical installation only for MHU80 and HSU80 model unit heaters.
  • Other select parts may be required for your installation needs.
  • Please check and adhere to all state and local codes before installation.
  • Includes (1) 3" to 4" adapter.
  • (1) 4" x 36" B-vent pipe.
  • (2) 4" x 24" vent pipe.
  • (1) 4" 90 degree elbow, wall fire stop, roof flashing, storm collar, and vent cap.
  • Returns: Call for RMA (800-251-0001)

Theisen's standard returns and exchanges policy: All returns must be completed within 90 days of purchase unless otherwise noted. All items must be in new, unused condition and contain all original packaging and accessories. Some exclusions apply. For more information on our policy or to learn how to return an item click here.

Proposition 65 Warnings! 

Note: These warnings do not apply to food products.

 WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate, which are known to the State of California to cause cancer and birth defects or other reproductive harm.

 WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.