a separate start capacitor (145-175 MFD / 220V) and start relay may be necessary depending on the system configuration

This unit features dual 1/4" barb connections for secure pneumatic tubing attachment

black oxided for enhanced durability

Whether you are performing a routine inspection or a critical repair

Resideo L8124A1015 Relay 321142-301 a separate start capacitor (145-175The Resideo L8124A1015 Relay is a heavy duty triple aquastat relay designed for reliable boiler temperature control and multizone forced hydronic heating applications. Engineering for efficiency, this immersion type controller integrates high limit protection with low limit and circulator control, ensuring consistent domestic hot water service while protecting the system from overheating. It features an operating humidity range of 0 95% RH and a