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Is this valve direct-acting or pilot-operated
For contractors servicing Reznor gas-fired unit heaters
Built to close on fall
Rejection-style design ensures compliance and prevents the installation of fuses with lower interrupting ratings
this board optimizes energy consumption while protecting critical system components
Laars Heating Systems E2103900 Control 321894-706 Is this valve direct-acting orThe Laars Heating Systems E2103900 Control is a specialized manual reset aquastat designed for high limit temperature protection in commercial and residential hydronic systems. Featuring a 40 180F temperature range, this SPST (Single Pole Single Throw) high limit switch ensures system safety by breaking the electrical circuit when water temperatures exceed the user defined setpoint. Engineers and technicians rely on this OEM Laars replacement part for
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