8.3 x 8.2 x 6.6 inches. This part is compatible with models including; DWW-40P-LP, 400DVX-R NAT, 400DVX-R LPG, DWW-40P-NAT, 400 DVI, RFD40-ON (R), RFD40-OP (R), 400DVI NAT, RFD40-ON, 400DVI LPG, DWW-40E-LP, RFD40-OP, 400 DVX-R, RFD40-IN, RFD40-IP, 400 DVX. Part may differ in appearance but is a functional equivalent to prior parts including; P-1511, P151101, P151101, P151100, P151100,151110. Compatible Brands: Williams, Continental. This blower fan motor (part number P-151101) is for furnaces. Shut off the electrical power supply to the furnace before installing this part. Blower fan motor P-151101 circulates the air through the heating chamber and out into the room. Wear work gloves to protect your hands. For Williams & Continental. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.