Resideo L8124G1020 Relay 320720-756 the probe is a sealed

the probe is a sealed rigid unit containing the RTD element

(6) 6-inch tubes

or visible signs of warping and heavy scale deposits that a professional cleaning cannot resolve

making it an ideal choice for surface mount applications in walls or ceilings

and defrost cycle initiation

Resideo L8124G1020 Relay 320720-756 the probe is a sealedThe Resideo L8124G1020 Relay is a specialized Triple Aquastat Relay designed for forced hydronic heating systems that require high limit protection, low limit control, and circulator management. This immersion type controller features SPST high and low limit switching to maintain boiler water temperature and ensure efficient domestic hot water service. For multi zone applications, this unit allows for independent control by using an R845 Relay for