Williams 'B' Series Belt-Drive Horizontal Air Handler, Left Piping, 115V, 6 Coil Rows (4 CW 2 HW) - 5,000 CFM, 335,437 BTU
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General Information Speed Settings Variable Speed Orientation
Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal Performance Nominal Maximum Cooling Capacity 131051 BTU Nominal Heating Capacity 335437 BTU Maximum Air Flow 5000 CFM Electrical Data Dimensions Cold Water Inlet 1.5 Inches Hot Water Outlet 1.5 Inches Hot Water Inlet 1.5 Inches Cold Water Outlet 1.5 Inches Product Weight 690 Pounds Warranty Information
Model: AH050W4B421L00
Factory Direct:
Ships in 4 - 6 Weeks
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Features 1 Q&A Reviews Articles Shipping Manuals Accessories
Williams "B" Series Belt-Drive Horizontal Air Handler, Left Piping, 115V, 6 Coil Rows (4 CW 2 HW) - 5,000 CFM, 335,437 BTUA Horizontal model of Belt-Driven Air Handlers for both hydronic and DX applications, these rugged units are dependable air handlers. Housed in a heavy-gauge, galvanized steel cabinet. Controls and motors are factory-mounted and provided in a single-point power supply. Access doors are provided on both sides of the unit for easy maintenance. Williams AH050W4B421L00 Belt-Drive Horizontal Air Handler Features:- Heavy-gauge galvanized steel cabinet insulated with 1/2" thick, over three-pound density, neoprene-coated fiberglass.
- Two-pipe or Four-pipe hydronic heating and/or cooling. Four pipe systems may be converted to a two-pipe system by capping off one set of pipes.
- Coils are 1/2" OD copper tubes with aluminum fins (10 FPI) equipped with manual-air vent. Coils are 100% underwater pressure tested at 350 PSI with a 300 PSI working pressure.
- Galvanized drain pan features powder-coated epoxy with 1/4" thick elastomeric insulation and has primary and secondary drain connections.
- Belt-driven, draw-through design with forward-curved and dynamically balanced blowers.
- Wide range of motor sizes and adjustable, variable-pitch drive sheave and cast-iron pulley keyed to motor shaft (ordered separately & required for operation).
- Two-inch thick, 30/30 pleated filter, flatly mounted, with spring-loaded clips on each side of the access door for easy maintenance without the use of tools.
Williams AH050W4B421L00 Belt-Drive Horizontal Air Handler Compatible Sheave Kits:Kit Model # at Horsepower @ Inches of Static Pressure
- S16 operating at 2 hp @ 0.0
- S16 operating at 2 hp @ 0.1
- S16 operating at 2 hp @ 0.2
- S15 operating at 2 hp @ 0.3
- S15 operating at 3 hp @ 0.4
- S18 operating at 3 hp @ 0.5
- S18 operating at 3 hp @ 0.6
- S19 operating at 3 hp @ 0.7
- S19 operating at 3 hp @ 0.8
- S19 operating at 3 hp @ 0.9
- S41 operating at 3 hp @ 1.0
* Use with 3-phase motors only Williams AH050W4B421L00 Belt-Drive Horizontal Air Handler Warranty:
Q: Can this unit be used with a heat pump?
by David from Georgia on February 24, 2016
A: The B-series air handler is designed for use with either hot or chilled water to provide both heating and cooling. It will work with a geothermal or air-to-water heat pump, but not with a air-to-air DX heat pump. by Chris, Product Expert
- Ships via Semi-Truck
- Curb Side Delivery
- Free to Lower 48 States
- Standard Rates to Alaska, Hawaii
We currently CANNOT ship this product to Canada or any destination outside of the United States
- Safely Lowers Products Off the Truck
- Requires Special Hydraulic Lift
- Free Lift Gate
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