Taco SR503-EXP User Manual

68
Wiring Taco LF Series Low Water Cutoffs Using Burner Circuit Power Source
Wiring Taco LF Series Low Water Cutoffs Using Power Source Other Than Burner Circuit
NOTE: Remote probe available on remote probe models only.
NOTE: For 24 VAC models, LFx024xx, 24 VAC to be supplied by an EXTERNAL Class 2 power source to terminals H and N.
For 120 VAC models, LFx120xx, 120 VAC is supplied by an external circuit to terminals H and N.
NOTE: For 24 VAC models, LFx024xx, 24 VAC to be supplied by an EXTERNAL Class 2 power source to terminals H and N.
For 120 VAC models, LFx120xx, 120 VAC is supplied by an external circuit to terminals H and N.

Taco SR503-EXP Specifications

General

Brand	Taco
Model	SR503-EXP
Category	Control Unit
Language	English