Holiday Finale Sale 🎉

Last Chance to Save 25%!

Wrap up the season with unbeatable savings during our Holiday Finale Sale. For a limited time, enjoy 25% OFF on our products as we close out our holiday promotions.

Shop now and make the most of these holiday savings before time runs out!

Sale ends on Thursday, December 25th!

Outdoor boiler aquastats MUST BE PRE-PROGRAMMED for use with an outdoor boiler. ALL aquastats sold by OutdoorBoiler.com are custom programmed for outdoor boiler use through digital interface - programming cannot be performed manually.

This aquastat provides controller functions, and serves as a thermostat and water level switch. This product meets specifications for many outdoor boiler models including GX10, GX15, GX30 and others. 

This controller includes the temperature probe cable, 9.5 feet long. The brass temperature probe is 1.5 inches long, and 0.25 inches in diameter. It is recommended to secure temperature probe in thermo-well using high-temp caulk available here.