Resideo L8124L1011 Relay 324846-701 this 1/2" fixed bore sheave

this 1/2" fixed bore sheave typically includes a standard keyway and setscrew to ensure a rigid connection to keyed shafts

Proper installation of this Apollo relief valve ensures system integrity and compliance with rigorous mechanical codes without compromising flow rates during discharge

Always verify the trip point with a manometer during commissioning

Constructed with a 300 Stainless Steel shell and a coupling 300 Stainless Steel mounting head

While the base ZP2-HC supports 2-wire dampers

Resideo L8124L1011 Relay 324846-701 this 1/2" fixed bore sheaveThe Resideo L8124L1011 is a professional grade Triple Aquastat Relay designed for immersion type control in forced hydronic heating systems. This horizontal mount controller integrates high limit protection with low limit and circulator control, making it a standard for maintaining boiler temperatures and managing domestic hot water service. It features SPST high limit and low limit switching with a fixed 10F high limit differential and an adjustable