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Can I install this relief valve in a horizontal orientation
critical for maintaining proportional output signals in robust HVACR systems
compatibility is restricted to the specific chassis dimensions of the HE220 through HE365 units
or multi-family residential applications
Lennox 26H78 Rollout Switch Can I install this reliefThe Lennox 26H78 Rollout Switch (catalog number 26H7801) is a critical safety component designed for furnace flame rollout protection. This OEM Lennox part is a manual reset, SPST (Single Pole Single Throw) configuration that actuates at a fixed temperature of 260 degrees F. When the switch senses excessive heat near the burner boxtypically caused by a cracked heat exchanger, blocked flue, or insufficient combustion airit breaks the 24V circuit to the
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