Welcome to RM Cotton's online store
Welcome to RM Cotton Company, Largest Hydronic Inventory in the Midwest!
If you can't find what you are looking for call us at 763.473.4640
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Heat-Timer MODEL PLL (Pump Lead Lag) P/N 926825-00
$550.00
Heat-Timer Multi-Mod Platinum (135 OHM Output) P/N 926650-135
$4,125.00
Heat-Timer Multi-Mod Platinum (Current Voltage Output) P/N 926650-CV
Heat-Timer Multi-Mod/HWR-Q EXTENSION MODULE P/N 926650-EXT
$1,300.00
Heat-Timer Multi-Mod/HWR-Q Output Card (0-135 OHMS) P/N 900203-135
$225.00
Heat-Timer Multi-Mod/HWR-Q Output Card (Current Voltage) P/N 900201-CV
Heat-Timer RSM (Residential Snow Melt Control) P/N 929195-00
$2,585.00
Heat-Timer SMC (Snow Melt Control) Elite Series P/N 926820-00
Heat-Timer Snow Melt Precipitation Sensor (Sensor Only) w/ 90' of wire P/N 904198-00
$1,110.00
Heat-Timer SQ Elite / Mini Mod EMS 4-20 ma Input Module P/N 926741-00
$575.00
Heat-Timer SQ-8 Extension Module P/N 926732-00
$950.00
Heat-Timer SQ-8S Elite Steam Lead/Lag Sequencing Control for Staging Boilers P/N 926737-00
Heat-Timer SQ-8T Elite Temperature Lead/Lag Sequencing Control for Staging Boilers P/N 926730-00
$1,285.00
Heat-Timer SQ-MV Lead/Lag Sequencing Control for Staging Boilers P/N 926728-00
$1,725.00
Heat-Timer Straight Varivalve P/N 925006-00
$55.00
Heat-Timer VSP "Variable Speed Pump Control" Elite Series P/N 929185-00
$475.00
Heat-Timer White Replacement Actuator P/N 400150-00
$410.00
Honeywell L4006a1009 Aquastat
$145.00
Honeywell L4006E1125 Aquastat
$195.00
Hydrolevel 550 Low Water Cut Off