81660280 | 3/4" StepOpen 2.5" 10"Full LP | Burnham Boiler Used on_Greenstar Boiler The 4-inch size provides excellent

The 4-inch size provides excellent flow capacity

Its rugged construction and efficient design make it an ideal choice for various applications

In stock and ready to ship fast at our HVAC supply store

Its length and probe diameter provide optimal placement for accurate temperature detection

81660280 | 3/4" StepOpen 2.5" 10"Full LP | Burnham Boiler Used on_Greenstar Boiler The 4-inch size provides excellentBurnham Boiler 3 4" StepOpen 2. 5" 10"Full LP (SKU: 81660280)Designed for demanding heating systems, the Burnham Boiler 3 4" StepOpen offers superior performance and efficiency. This boiler features a robust 3 4" stepped opening, providing optimal water flow and heat transfer. Its 2. 5" diameter ensures seamless integration into existing piping systems, while the 10" length enhances heat exchange capacity. Constructed from durable materials, this