Exhaust Fans | Poly-Tex, Inc.

Schaefer 36", 42" & 48" fiberglass flush-mount exhaust fans
Revolutionary tapered design has no corners to block air or collect dirt and dust. Housing is constructed of molded fiberglass that carries a lifetime guarantee. One-time balancing of propellers ensures peak performance for greater efficiency. Includes pre-installed aluminum shutter.

Description	Model #	Voltage*	CFM**	Blade type	Price
36" Single speed, direct drive	FM3690-1G	115/230	9,610	galvanized	$825
36" Single speed, direct drive	FM3690-1S	115/230	9,780	stainless steel	$885
36" Single speed, belt-drive	FM3600-1G	115/230	9,600	galvanized	$990
42" Single speed, belt-drive	FM4200-1G	115/230	14,812	galvanized	$1,165
48" Single speed, belt-drive	FM4800-1G	115/230	18,614	galvanized	$1,285
48" Single speed, belt-drive	FM4800-1S	115/230	18,614	stainless steel	$1,335
36" Two-speed, belt-drive	FM3600-2G	230	5,464/9,434	galvanized	$1,035
42" Two-speed, belt-drive	FM4200-2G	230	8,391/14,785	galvanized	$1,215
48" Two-speed, belt-drive	FM4800-2G	230	9,716/16,900	galvanized	$1,335
48" Two-speed, belt-drive	FM4800-2S	230	9,716/16,900	stainless steel	$1,385
Please specify voltage when ordering. *Tested at 0 S.P. Fans tested in compliance with AMCA standards. FOB Waite Park, MN.

Schaefer Heavy duty air inlet shutters
These heavy duty aluminum shutters provide fresh air intake opposite your exhaust fans.

Description	Part #	Price
12" aluminum air inlet shutter	WS-120	$78
16" aluminum air inlet shutter	WS-160	$85
20" aluminum air inlet shutter	WS-200	$95
24" aluminum air inlet shutter	WS-240	$95
27" aluminum air inlet shutter	WS-270	$105
30" aluminum air inlet shutter	WS-300	$110
33" aluminum air inlet shutter	WS-330	$130
36" aluminum air inlet shutter	WS-360	$139
39" aluminum air inlet shutter	WS-390	$156
42" aluminum air inlet shutter	WS-420	$162
45" aluminum air inlet shutter	WS-450	$178
48" aluminum air inlet shutter	WS-480	$185
51" aluminum air inlet shutter	WS-510	$210
54" aluminum air inlet shutter	WS-540	$215
57" aluminum air inlet shutter	WS-570	$245
60" aluminum air inlet shutter	WS-600	$275
66" aluminum air inlet shutter	WS-660	$315
FOB Waite Park, MN.

Schaefer shutter motor
This motor can be used on all the heavy-duty shutters listed above. Features 115/230v, sturdy die cast case, U.L. approved, precision gears and a dust proof case. Includes hardware.

Description	Part #	Price
Shutter motor 115/230 volts	RR5004	$95
FOB Waite Park, MN.

Schaefer mechanical thermostat
The most reliable automatic thermostats available. Wide temperature range with narrow operating differential. Rugged, code-approved, moisture-proof enclosures stand up to the greenhouse environment.

Description	Part #	Price
One-speed heating or cooling	T115	$56
Two-stage heating or cooling	TH109	$130
FOB Castle Rock, MN