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the R400S-3/8 eliminates the need for external vent piping in most jurisdictions when used with a vent limiting device
This genuine OEM replacement is calibrated to actuate at 200°F
Can the glass be cleaned if it becomes obscured by oil or debris
Can I use this valve on a potable water heater
000 BTU input rating of F and B series models
McDonnell & Miller 310802 Snap Switch Els PW 17895 the R400S-3/8 eliminates the needOptimizing liquid flow control in hydronic and industrial systems requires reliable electrical feedback, and the McDonnell & Miller 310802 Snap Switch is the standard for maintaining seasonal uptime. Specifically engineered as the direct replacement snap switch assembly for FS250 series flow switches (Model SW FS250), this component ensures precise SPDT (Single Pole Double Throw) actuation. For contractors managing boiler flow switch maintenance, this
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