![McDonnell & Miller 61 Boiler Low Water Cut-Off — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9032862826718.png?v=1782845232&width=1445)
The McDonnell & Miller 61 Boiler Low Water Cut-Off is a critical safety device that prevents boiler damage by automatically stopping operation when water is too low. This Boiler Low Water Cut-Off provides reliable protection for steam systems in both residential and commercial setups. With mechanical actuation, it delivers dependable performance without the need for batteries or electronics.
Key specifications include 1 inch threaded port connections, compact sizing (9-15/16" long x 5-1/8" wide x 6-1/2" high), and a versatile input supply rating of 120/240 VAC. It supports steam and water media and is rated for 20 PSI steam pressure. This unit is UL, CSA, and FM approved, meeting strict safety standards for peace of mind.
- Mechanical actuation ensures consistent cut-off response
- 1" threaded port connections for easy installation
- Suitable for steam and water media in residential or commercial boilers
- UL, CSA, FM safety approvals for compliance
- Compact dimensions and versatile 120/240 VAC power ratings
Upgrade your boiler protection with this robust low water cut-off from McDonnell & Miller, designed to safeguard against low-water conditions and ensure reliable operation of your heating system.
Specifications
| Pressure Rating | 20 PSI (Steam) |
|---|---|
| Input Supply | 120/240 Volt AC 125 Volt Amp |
| Current Rating | 7.4 Amp at 120 Volt AC/3.7 Amp at 240 Volt AC (Full Load), 44.4 Amp at 120 Volt AC/22.2 Amp at 240 Volt AC (Locked Rotor) |
| Application | Residential, Commercial |
| Port Connection | 1 Inch Threaded x 1 Inch Threaded |
| Standards | UL, CSA, FM |
| Media | Steam, Water |
| Actuation Type | Mechanical |