



Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The McDonnell & Miller 153900 is a reliable low water cut-off boiler control, essential for maintaining your boiler's operation. This mechanical model, part of the 69 Series, is specifically designed for residential and commercial low pressure steam boilers, providing peace of mind with its robust functionality.
The unit is UL listed, CSA certified, and FM approved, ensuring compliance with relevant standards for safety and performance. Installation is facilitated by a 4-1/8 inch insertion length into 2-1/2 inch NPT boiler side tappings, compatible with boilers of any steaming capacity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!

