Can it work as a 110 volt switch?

They state it's safe for 0-220V(AC or DC), Working current: 0-2A. Personally, I would not the wires are something like 28 gauge stranded. you would need to be very careful about wiring. I doubt it would ever pass an Electrical code review with 120v open wiring in contact with a grounded water line. I would suggest running a low voltage DC source to a power relay that could be enclosed in a junction box https://www.amazon.com/dp/B000LESCI2/ref=cm_sw_em_r_mt_dp_2T99ZFSEXHCV82D1CBY9?_encoding=UTF8&psc=1 https://www.amazon.com/dp/B086JTJ5NW/ref=cm_sw_em_r_mt_dp_A3KF31536MM4PBPDE62B?_encoding=UTF8&psc=1

Am I able to connect a 12 Volt water pump directly to this flow switch?

No, it needs to add a relay board. It cannot be directly connected to the circuit.

Can I get a replacement for the reed switch?

They did replace mine with no issues.

Is this product lead-free?

I suspect it is not lead-free, because it does not have any designation its lead content. Keep in mind that if this is used for regulation of intake to hot water system, the entirety of that plumbing system is full of lead. I got this as a replacement for a very-leaded part (colored silver) made by NTI

Digiten Fs C01 G1 2 Bsp Male Thread Brass Water

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥5373

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Flow with confidence — never miss a drop, never lose control!

ROBUST VOLTAGE RANGE - Operates reliably across 0-220V AC or DC, supporting a wide array of industrial and residential devices.
DURABLE WEATHERPROOF - Crafted from premium brass with heat, pressure, and cold resistance for stable, long-term operation.
PRECISION FLOW CONTROL - Accurately monitors water flow from 1 to 30 liters per minute, ensuring optimal system performance.
UNIVERSAL COMPATIBILITY - 1/2" BSP male threaded brass body fits seamlessly into diverse plumbing setups for hassle-free integration.
BUILT IN SEDIMENT FILTER - Protects internal components by filtering out debris, extending sensor lifespan and reducing maintenance.

The DIGITEN FS-C01 is a brass water flow switch featuring a 1/2" BSP male thread, designed for precise flow detection between 1-30L/min. It supports a broad voltage range (0-220V AC/DC) and includes a built-in filter to prevent sediment damage. Engineered for durability and easy installation, it safeguards pumps, heaters, and other water-dependent devices by cutting power when flow stops, making it an essential component for efficient, reliable water system management.

Specifications

ASIN	B07QRXGT7J
Best Sellers Rank	#141,055 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #33 in Flow Switches
Date First Available	April 16, 2019
Item Weight	3.84 ounces
Item model number	FS-C01ZJ
Manufacturer	DIGITEN
Package Dimensions	3.66 x 2.56 x 1.02 inches

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