Resideo - Honeywell Home L8124E1016 Hydronic Control RelayThe L8124E1016 Hydronic Control Relay from Resideo Honeywell Home is a compact, multi function relay designed for domestic hot water hydronic systems. This triple function unit combines an SPST high limit switch with a diaphragm powerhead to deliver reliable high limit protection and precise control of heating operation. Engineered for 120V AC at 60 Hz, it supports a broad 130240F high limit range and a 200 PSI immersion well for safe hot water media

high-demand performance suited for harsh HVAC environments

it resists vibration and temperature changes common in commercial or industrial settings

Drive type: Direct

even in demanding heating seasons

GF15/26 compatibility for quick replacement in compatible Grundfos setups

The Johnson Controls P100CC-9C Pressure Switch is a non-adjustable

includes 1/2 inch threaded spud connector

or field audio

1/8 inch threaded

reduces field wiring errors

pneumatic-electric switch integrates pneumatic input with an electric output for dependable operation in commercial settings

Blower vent optimized for 80+ efficiency and 1-stage operation