the NSB8BTN140-0 integrates natively with FEC

OEM Compatibility: Exact fit for Laars 10449521

OEM Integrity: Maintaining the original Lochinvar 100278134 specification ensures the equipment stays within its listing and performance curves

404 Btu/h under R134a conditions

What is the difference between this and the 68700089

Resideo AM-1-020RP Repair Kit R-134A the NSB8BTN140-0 integrates natively withThe Resideo AM 1 020RP Repair Kit is a comprehensive rebuild solution designed for the AM 1 Series proportional thermostatic mixing valves. Specifically engineered for AM1 BorC elements, this kit allows contractors to restore precise temperature control without the need for a full valve body replacement. The package includes a high performance replacement thermal element, as well as the essential spool, spring, and diffuser assembly needed for a