McDonnell Miller - Series FS1

For steam and hot water boiler with cold water feed.
Continuous maintenance of minimum safe water level, independent of electrical service.
Proportional feed action.
Quick hook-up fittings provided.
Quick change replaceable cartridge valve and strainer.
Maximum water supply pressure 150psi.
Maximum boiler pressure 25 psi.

Ordering Informationr
Model Number	Part Number	Description	Weight lbs.	Price
FS1	113200	High sensitivity flow switch - 1/2" NPT body	3.0	$230.00
FS1-G	113250	FS1w/ gold plated contacts	3.0	$Call
FS1-J	113550	FS1 w/ BSPT connections	3.3	$230.00
FS1-L	113560	FS1 set @ 1.7 gpm	3.0	$Call
FS1-W	113601	FS1 w/ NEMA 4x enclosure	3.5	$255.00
FS1-J-E	113551	FS1-J CE conformance	3.3	$230.00
FS1-W-E	113602	FS1-W CE conformance	3.0	$Call
NOTE: Do not use liquid flow switches on systems with flow greater than 10 feet per second

Electrical Ratings
Voltage	Motor Switching Rating		Pilot Duty
Voltage	Full Load	Locked Rotor	Pilot Duty
120 VAC	7.4	44.4	125 VA at 120 or 240 VAC
240 VAC	3.7	22.2	125 VA at 120 or 240 VAC
Dimensions
A	B	C	D	E	F	G	H	J
3 3/4	2 5/8	1/2	7/8	3 13/16	3 3/16	4 7/16	1 1/4	1/2
Series FS1-W
Dimensions
A	B	C	D	E	F	G	H	J
3 3/4	2 5/8	1/2	7/8	3 13/16	3 3/16	4 7/16	1 1/4	1/2
Flow Rates
Settings	Mode of Operation		Max. Flow Rate gpm w/o paddle damage
Settings	Flow gpm	No Flow gpm	Max. Flow Rate gpm w/o paddle damage
Factory or minimum	0.41	0.24	9.48
Maximum	1.81	1.28	9.48
Values are +- 10%

FS1

FS1-W

Contact Us Directly:

Toll Free: 1-800-780-3776
Int'l Phone: 770-957-9599
Int'l Fax: 770-957-9563
E-Mail: Email Your Request

Mailing Address: Power Plus International
143 McDonough Parkway
McDonough, GA 30253