Trane CNT3787 Limit Switch 323613-751 Durable 3/8 x 3/8 TXV

Durable 3/8 x 3/8 TXV brass body construction to withstand high-pressure environments

the 100141552 is a direct OEM replacement part that ensures the safety of the exhaust system by utilizing an integrated proving switch—this end switch verifies the damper blade is in the fully open position before allowing the burner to ignite

The B1086750SP is the current production OEM service part that replaces the older B1086750 and B1086750S variants

applying a thin coat of compatible pneumatic lubricant helps prevent binding

Common Questions Does this valve include the internal orifice

Trane CNT3787 Limit Switch 323613-751 Durable 3/8 x 3/8 TXVThe Trane CNT3787 Limit Switch is a critical safety component designed for precise thermal monitoring within residential and commercial furnace heat exchangers. As an OEM Trane replacement part, this 260F CO AUTO limit switch is engineered to interrupt the heating circuit should the internal plenum temperature exceed its fixed 260 degree Fahrenheit threshold. This high limit cutout ensures the system remains within safe operating parameters,